United Kingdom Independence Party (UKIP) MP Douglas Carswell leaves a television studio in central London, Britain March 25, 2017. Britain's UKIP party, widely credited as having been a major factor behind the country's decision to leave the European Union, lost its only lawmaker on Saturday when Douglas Carswell announced he was leaving the party. REUTERS/Paul Hackett 

United Kingdom Independence Party (UKIP) MP Douglas Carswell leaves a television studio in central London, Britain March 25, 2017. Britain's UKIP party, widely credited as having been a major factor behind the country's decision to leave the European Union, lost its only lawmaker on Saturday when Douglas Carswell announced he was leaving the party. REUTERS/Paul Hackett 

United Kingdom Independence Party (UKIP) MP Douglas Carswell leaves a television studio in central London, Britain March 25, 2017. Britain's UKIP party, widely credited as having been a major factor behind the country's decision to leave the European Union, lost its only lawmaker on Saturday when Douglas Carswell announced he was leaving the party. REUTERS/Paul Hackett 

United Kingdom Independence Party (UKIP) MP Douglas Carswell leaves a television studio in central London, Britain March 25, 2017. Britain's UKIP party, widely credited as having been a major factor behind the country's decision to leave the European Union, lost its only lawmaker on Saturday when Douglas Carswell announced he was leaving the party. REUTERS/Peter Nicholls 

United Kingdom Independence Party (UKIP) MP Douglas Carswell leaves a television studio in central London, Britain March 25, 2017. Britain's UKIP party, widely credited as having been a major factor behind the country's decision to leave the European Union, lost its only lawmaker on Saturday when Douglas Carswell announced he was leaving the party. REUTERS/Peter Nicholls 

United Kingdom Independence Party (UKIP) MP Douglas Carswell leaves a television studio in central London, Britain March 25, 2017. Britain's UKIP party, widely credited as having been a major factor behind the country's decision to leave the European Union, lost its only lawmaker on Saturday when Douglas Carswell announced he was leaving the party. REUTERS/Peter Nicholls 

United Kingdom Independence Party (UKIP) MP Douglas Carswell leaves a television studio in central London, Britain March 25, 2017. Britain's UKIP party, widely credited as having been a major factor behind the country's decision to leave the European Union, lost its only lawmaker on Saturday when Douglas Carswell announced he was leaving the party. REUTERS/Peter Nicholls 

Scotland's First Minister Nicola Sturgeon is seen on screens in a television production truck as she demands a new independence referendum to be held in late 2018 or early 2019, once the terms of Britain's exit from the European Union have become clearer, outside Bute House, in Edinburgh, Scotland, Britain March 13, 2017. REUTERS/Russell Cheyne

Scotland's First Minister Nicola Sturgeon is seen on screens in a television production truck as she demands a new independence referendum to be held in late 2018 or early 2019, once the terms of Britain's exit from the European Union have become clearer, outside Bute House, in Edinburgh, Scotland, Britain March 13, 2017. REUTERS/Russell Cheyne

An engineer works in a television production truck as Scotland's First Minister Nicola Sturgeon demands a new independence referendum to be held in late 2018 or early 2019, once the terms of Britain's exit from the European Union have become clearer, outside Bute House, in Edinburgh, Scotland, Britain March 13, 2017. REUTERS/Russell Cheyne

United Kingdom Independence Party (UKIP) newly elected leader Paul Nuttall speaks after the announcement of his success in the leadership election, in London, Britain November 28, 2016. REUTERS/Toby Melville 

United Kingdom Independence Party (UKIP) newly elected leader Paul Nuttall speaks after the announcement of his success in the leadership election, in London, Britain November 28, 2016. REUTERS/Toby Melville 

United Kingdom Independence Party (UKIP) interim leader Nigel Farage speaks before announcing the winner of the UKIP leadership election, in London, Britain November 28, 2016. REUTERS/Toby Melville 

Nigel Farage, the leader of the United Kingdom Independence Party (UKIP), reacts during a television interview at a Leave.eu party after polling stations closed in the Referendum on the European Union in London, Britain, June 23, 2016. REUTERS/Toby Melville

Nigel Farage, the leader of the United Kingdom Independence Party (UKIP), reacts during a television interview at a Leave.eu party after polling stations closed in the Referendum on the European Union in London, Britain, June 23, 2016. REUTERS/Toby Melville

Nigel Farage, the leader of the United Kingdom Independence Party (UKIP), struggles with a television ear piece as he gives interviews at a Leave.eu party after polling stations closed in the Referendum on the European Union in London, Britain, June 23, 2016. REUTERS/Toby Melville

Football Soccer - Manchester City v Chelsea - FA Youth Cup Final First Leg - City Academy Stadium - 15/16 - 22/4/16
ITV Sport's Jacqui Oatley
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A television camera records United Kingdom's Independence Party depty chair Suzanne Evans as she attends the announcement of the party's policies on women, in London, April 9, 2015. REUTERS/Peter Nicholls TPX IMAGES OF THE DAY

A television engineer watches speakers in the Concert Hall at the annual SNP conference in Perth, Scotland, November 14, 2014. The party faces the unusual position of having seen its support soar since it lost the independence referendum in September. So strong is its resurgence that it threatens to take any number of UK parliamentary seats from Labour at next May's general election. REUTERS/Cathal McNaughton (BRITAIN - Tags: POLITICS TPX IMAGES OF THE DAY) 

Members of the media listen to Scottish nationalist leader Alex Salmond speak on television, in Edinburgh, Scotland September 19, 2014. Salmond conceded defeat on Friday over his bid to win independence and demanded the British government rapidly meet its promise of more powers for Edinburgh. REUTERS/Paul Hackett (BRITAIN - Tags: ELECTIONS POLITICS)

Scotland's First Minister Alex Salmond speaks to television as supporters from the "No" Campaign celebrate at the Better Together Campaign headquarters in Glasgow, Scotland September 19, 2014. Salmond conceded defeat on Friday over his bid to win independence and demanded the British government rapidly meet its promise of more powers for Edinburgh. REUTERS/Dylan Martinez (BRITAIN - Tags: ELECTIONS POLITICS)

A vendor works on his laptop as a television journalist reports about the referendum of Scotland, at an electronics store in downtown Gibraltar, south of Spain September 18, 2014. Scotland voted on Thursday on whether to stay within the United Kingdom or end the 307-year-old union with England and become an independent nation in a finely balanced referendum with far-reaching consequences. REUTERS/Jon Nazca (GIBRALTAR - Tags: POLITICS ELECTIONS) 

First Minister of Scotland Alex Salmond arrives at a hotel for a television interview in Edinburgh, September 14, 2014. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Paul Hackett (BRITAIN - Tags: POLITICS ELECTIONS) 

Alistair Darling, the leader of the campaign to keep Scotland part of the United Kingdom, leaves a hotel after a television interview in Edinburgh, September 14, 2014. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Paul Hackett (BRITAIN - Tags: POLITICS ELECTIONS) 

First Minister of Scotland Alex Salmond arrives at a hotel for a television interview in Edinburgh, September 14, 2014. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Paul Hackett (BRITAIN - Tags: POLITICS ELECTIONS) 

First Minister of Scotland Alex Salmond checks his watch after a television interview in Edinburgh, September 14, 2014. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Paul Hackett (BRITAIN - Tags: POLITICS ELECTIONS) 

First Minister of Scotland Alex Salmond leaves a building after a television interview in Edinburgh, September 14, 2014. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Paul Hackett (BRITAIN - Tags: POLITICS ELECTIONS) 

First Minister of Scotland Alex Salmond leaves a building after a television interview in Edinburgh, September 14, 2014. The referendum on Scottish independence will take place on September 18, when Scotland will vote whether or not to end the 307-year-old union with the rest of the United Kingdom. REUTERS/Paul Hackett (BRITAIN - Tags: POLITICS ELECTIONS) 

Scotland's Deputy First Minister Nicola Sturgeon is seen on a television monitor making a speech during the last session of parliament before the September 18th independence referendum, in Edinburgh August 21, 2014. Several recent polls have shown support for independence pushing higher. But the most recent "poll of polls", on Aug. 15, which was based on an average of the last six polls and excluded undecided respondents, found support for a breakaway stood at 43 percent against 57 percent for remaining within Britain. Picture taken August 21, 2014 REUTERS/Paul Hackett (BRITAIN -Tags: POLITICS TRAVEL)

ATTENTION EDITORS: PICTURE 11 OF 20 FOR WIDER IMAGE PACKAGE 'INSIDE SCOTLAND'S PARLIAMENT' TO FIND ALL IMAGES SEARCH 'HACKETT PARLIAMENT' 

The leader of the UK Independence Party (UKIP), Nigel Farage, has an earpiece fitted before a television interview in central London August 28, 2014. British Prime Minister David Cameron suffered a setback on Thursday when a lawmaker from his ruling Conservative party unexpectedly resigned and defected to the anti-EU UKIP party which has no seats in the British parliament. Douglas Carswell, a prominent Eurosceptic, said his position in Cameron's party had become untenable and that he didn't believe it was serious about "real change". REUTERS/Toby Melville (BRITAIN - Tags: POLITICS) 

Better Together leader Alistair Darling (L) and First Minister of Scotland Alex Salmond shakes hands at the second television debate over Scottish independence at Kelvingrove Art Gallery and Museum in Glasgow August 25, 2014. REUTERS/David Cheskin/Pool (BRITAIN - Tags: POLITICS SOCIETY) 

Better Together leader Alistair Darling (L) and First Minister of Scotland Alex Salmond debate over Scottish independence at Kelvingrove Art Gallery and Museum in Glasgow August 25, 2014. REUTERS/David Cheskin/Pool (BRITAIN - Tags: POLITICS SOCIETY TPX IMAGES OF THE DAY) 

First Minister of Scotland Alex Salmond speaks at the second television debate over Scottish independence at Kelvingrove Art Gallery and Museum in Glasgow August 25, 2014. REUTERS/David Cheskin/Pool (BRITAIN - Tags: POLITICS SOCIETY) 

First Minister of Scotland Alex Salmond speaks at the second television debate over Scottish independence at Kelvingrove Art Gallery and Museum in Glasgow August 25, 2014. REUTERS/David Cheskin/Pool (BRITAIN - Tags: POLITICS SOCIETY) 

Better Together leader Alistair Darling speaks at the second television debate over Scottish independence at Kelvingrove Art Gallery and Museum in Glasgow August 25, 2014. REUTERS/David Cheskin/Pool (BRITAIN - Tags: POLITICS SOCIETY) 

Better Together leader Alistair Darling (L) and First Minister of Scotland Alex Salmond shakes hands at the second television debate over Scottish independence at Kelvingrove Art Gallery and Museum in Glasgow August 25, 2014. REUTERS/David Cheskin/Pool (BRITAIN - Tags: POLITICS SOCIETY) 

Customers in the Old Mill Inn watch the referendum debate on television between Scotland's First Minister Alex Salmond and leader of the "Better Together" campaign Alistair Darling, in Pitlochry, Scotland August 25, 2014. REUTERS/Russell Cheyne (BRITAIN - Tags: POLITICS) 

Better Together leader Alistair Darling (L) and First Minister of Scotland Alex Salmond shakes hands at the second television debate over Scottish independence at Kelvingrove Art Gallery and Museum in Glasgow August 25, 2014. REUTERS/David Cheskin/Pool (BRITAIN - Tags: POLITICS SOCIETY) 

Better Together leader Alistair Darling (L) and First Minister of Scotland Alex Salmond shakes hands at the second television debate over Scottish independence at Kelvingrove Art Gallery and Museum in Glasgow August 25, 2014. REUTERS/David Cheskin/Pool (BRITAIN - Tags: POLITICS SOCIETY TPX IMAGES OF THE DAY) 

Britain's Deputy Prime Minister Nick Clegg is seen on a television screen as patrons socialise in the Kay Park Tavern, a pub near the main business district in Kilmarnock, Scotland March 26, 2014. The Scottish capital, Edinburgh, has an air of prosperity that explains why so many of its residents are happy with their lot and unwilling to risk the changes independence may bring. But in Kilmarnock it is a different story. The once proud industrial town has been named the worst place to live in Scotland, battling high unemployment and with pawnbrokers and discount stores dominating its shopping centre. The contrast between the two is startling and highlights the wide social divide among Scots ahead of a September 18 referendum when Scottish residents will decide whether to leave the United Kingdom after over 300 years to become an independent country. Picture taken March 26, 2014. REUTERS/Suzanne Plunkett (BRITAIN - Tags: TPX IMAGES OF THE DAY BUSINESS EMPLOYMENT POLITICS ELECTIONS)

ATTENTION EDITORS: PICTURE 12 OF 30 FOR PACKAGE 'A TALE OF TWO CITIES'
TO FIND ALL IMAGES SEARCH 'KILMARNOCK EDINBURGH' 

A woman puts money in a jukebox as a man sits below a television in a bar in the town of Lerwick on the Shetland Islands April 2, 2014. Twelve hours by ferry from the Scottish mainland, hundreds of miles from Edinburgh and closer to Oslo than London, the windswept Shetland islands have their own aspirations about Scottish independence. Some of the 23,000 inhabitants even want their own. Many Shetlanders see the Sept. 18 vote on whether Scotland should end the 307-year-old union with England as an opportunity to gain control over local services and a share of revenues from the oil pumped from the North Sea. Picture taken April 2, 2014. REUTERS/Cathal McNaughton (BRITAIN - Tags: POLITICS ELECTIONS SOCIETY FOOD)

ATTENTION EDITORS: PICTURE 24 OF 26 FOR PACKAGE 'SHETLAND ISLANDS - INDEPENDENCE OR UNION'
TO FIND ALL IMAGES SEARCH 'SHETLAND MCNAUGHTON' 

Britain's Queen Elizabeth (C) and Prince Philip (R) are shown the Dublin cityscape by television host Ryan Tubridy at the Guinness Storehouse, in Dublin May 18, 2011. Britain's Queen Elizabeth was on the second day of a four day state visit, the first by a British monarch since Ireland's independence. REUTERS/Tony Maxwell/Pool (IRELAND - Tags: POLITICS SOCIETY ROYALS) 

Britain's Queen Elizabeth (L) is shown the Dublin cityscape by television host Ryan Tubridy at the Guinness Storehouse, in Dublin May 18, 2011. Britain's Queen Elizabeth was on the second day of a four day state visit, the first by a British monarch since Ireland's independence. REUTERS/Tony Maxwell/Pool (IRELAND - Tags: POLITICS SOCIETY ROYALS) 

A man celebrates with the country's national flag after Ell-Nikki of Azerbaijan won the Eurovision song contest, on a street in central Baku May 15, 2011. Azerbaijan won the annual Eurovision Song Contest with the romantic ballad "Running Scared" on Saturday, watched by a television audience of more than 100 million people. The song about a love-struck couple was performed by 21-year-old student Eldar Gasimov and Nigar Jamal, 30, a mother-of-two who lives in London. The duo, known as Ell-Nikki, won a total 221 points. REUTERS/David Mdzinarishvili (AZERBAIJAN - Tags: ENTERTAINMENT) 

A man celebrates with the country's national flag after Ell-Nikki of Azerbaijan won the Eurovision song contest, on a street in central Baku May 15, 2011. Azerbaijan won the annual Eurovision Song Contest with the romantic ballad "Running Scared" on Saturday, watched by a television audience of more than 100 million people. The song about a love-struck couple was performed by 21-year-old student Eldar Gasimov and Nigar Jamal, 30, a mother-of-two who lives in London. The duo, known as Ell-Nikki, won a total 221 points. REUTERS/David Mdzinarishvili (AZERBAIJAN - Tags: ENTERTAINMENT) 

People celebrate with the country's national flag after Ell-Nikki of Azerbaijan won the Eurovision song contest, on a street in central Baku May 15, 2011. Azerbaijan won the annual Eurovision Song Contest with the romantic ballad "Running Scared" on Saturday, watched by a television audience of more than 100 million people. The song about a love-struck couple was performed by 21-year-old student Eldar Gasimov and Nigar Jamal, 30, a mother-of-two who lives in London. The duo, known as Ell-Nikki, won a total 221 points. REUTERS/David Mdzinarishvili (AZERBAIJAN - Tags: ENTERTAINMENT) 

People celebrate with the country's national flag after Ell-Nikki of Azerbaijan won the Eurovision song contest, on a street in central Baku May 15, 2011. Azerbaijan won the annual Eurovision Song Contest with the romantic ballad "Running Scared" on Saturday, watched by a television audience of more than 100 million people. The song about a love-struck couple was performed by 21-year-old student Eldar Gasimov and Nigar Jamal, 30, a mother-of-two who lives in London. The duo, known as Ell-Nikki, won a total 221 points. REUTERS/David Mdzinarishvili (AZERBAIJAN - Tags: ENTERTAINMENT) 

A satellite dish is seen on the roof of ITV television studios in central London August 3, 2010. ITV, Britain's biggest commercial free-to-air broadcaster, will enter the pay-TV market as part of a wider plan to generate around half of its revenue from sources other than traditional and often volatile advertising. REUTERS/Toby Melville (BRITAIN - Tags: BUSINESS MEDIA) 

A TV camera stands outside the ITV television company's offices in Leeds, northern England March 4, 2009. ITV, Britain's largest free-to-air commercial broadcaster, suspended its final dividend, cut 600 jobs and announced plans to sell assets as it reported results hammered by the severe downturn in advertising. REUTERS/Nigel Roddis (BRITAIN) 

An ITV Yorkshire sign is seen outside the television company's offices in Leeds, northern England March 4, 2009. ITV, Britain's largest free-to-air commercial broadcaster, suspended its final dividend, cut 600 jobs and announced plans to sell assets as it reported results hammered by the severe downturn in advertising. REUTERS/Nigel Roddis (BRITAIN) 

Scottish National Party (SNP) leader Alex Salmond (R) stands in front of the Scottish Parliament building in Edinburgh, Scotland May 4, 2007, while waiting to be interviewed by television presenters. Scottish nationalists committed to independence from Britain became the largest party in the Scottish parliament on Friday in a severe blow to Prime Minister Tony Blair's Labour Party. The SNP's win in Thursday's election ended 50 years of Labour dominance in Scotland, although it will need to ally with other parties to form a governing coalition in Scotland. REUTERS/David Moir (BRITAIN) 

Scottish National Party (SNP) leader Alex Salmond (C) stands in front of the Scottish Parliament building in Edinburgh, Scotland May 4, 2007, while waiting to be interviewed by television presenters. Scottish nationalists committed to independence from Britain became the largest party in the Scottish parliament on Friday in a severe blow to Prime Minister Tony Blair's Labour Party. The SNP's win in Thursday's election ended 50 years of Labour dominance in Scotland, although it will need to ally with other parties to form a governing coalition in Scotland. REUTERS/David Moir (BRITAIN) 

Scottish National Party (SNP) leader Alex Salmond stands in front of the Scottish Parliament building in Edinburgh, Scotland, May 4, 2007, while waiting to be interviewed by television presenters. Scottish nationalists committed to independence from Britain became the largest party in the Scottish parliament on Friday in a severe blow to Prime Minister Tony Blair's Labour Party. The SNP's win in Thursday's election ended 50 years of Labour dominance in Scotland, although it will need to ally with other parties to form a governing coalition in Scotland. REUTERS/David Moir (BRITAIN) 

Scottish National Party (SNP) leader Alex Salmond stands in front of the Scottish Parliament building in Edinburgh, Scotland, May 4, 2007, while waiting to be interviewed by television presenters. Scottish nationalists committed to independence from Britain became the largest party in the Scottish parliament on Friday in a severe blow to Prime Minister Tony Blair's Labour Party. The SNP's win in Thursday's election ended 50 years of Labour dominance in Scotland, although it will need to ally with other parties to form a governing coalition in Scotland. REUTERS/David Moir (BRITAIN) 

United Kingdom Independence Party (UKIP) member of European Parliament, Robert Kilroy-Silk discusses the new EU Constitution document during the 'Breakfast with Frost' television programme on BBC One in London June 20, 2004. Kilroy-Silk likened British prime minister Tony Blair to Neville Chamberlain, Britain's prime minister at the start of World War II, saying "this is the beginning of the end of Britain as a nation state governing itself". REUTERS/Jeff Overs/Pool DBP 

United Kingdom Independence Party (UKIP) member of European Parliament, Robert Kilroy-Silk discusses the new EU Constitution document during the 'Breakfast with Frost' television programme on BBC One in London June 20, 2004. Kilroy-Silk likened British prime minister Tony Blair to Neville Chamberlain, Britain's prime minister at the start of World War II, saying "this is the beginning of the end of Britain as a nation state governing itself". REUTERS/Jeff Overs/Pool DBP/DL 

UKIP EUROPEAN CANDIDATE KILROY-SILK WATCHES FRANCE V ENGLAND IN HIS HOTEL ROOM BEFORE RECEIVING ELECTION RESULTS IN NORTHAMPTON. European Parliament candidate for the East Midlands for Britain's United Kingdom Independence Party (UKIP), Robert Kilroy-Silk, watches the France vs England soccer match on his television at his hotel room before the election results, Northampton, England, June 13, 2004. REUTERS/Matthew Roberts 

UKIP EUROPEAN CANDIDATE KILROY-SILK WATCHES FRANCE V ENGLAND IN HIS HOTEL ROOM BEFORE RECEIVING ELECTION RESULTS IN NORTHAMPTON. European candidate for the East Midlands for Britain's United Kingdom Independence Party (UKIP), Robert Kilroy-Silk, watches the France v England soccer match on his television at his hotel room before the election results, Northampton, England, June 13, 2004. REUTERS/Matthew Roberts 

Former television presenter Britain's Robert Kilroy-Silk launches the UKIP (UK Independence Party) European elections campaign in London, May 12, 2004. Kilroy-Silk is one of the party's candidates. 

Former television presenter Britain's Robert Kilroy-Silk launches the UKIP (UK Independence Party) European elections campaign in London, May 12, 2004. Kilroy-Silk is one of the party's candidates for the elections due to be held on June 10.