People walk past a branch of the Royal Bank of Scotland in London, Britain December 1, 2017. REUTERS/Peter Nicholls 

Royal Bank of Scotland signs are seen at a branch of the bank, in London, Britain December 1, 2017. REUTERS/Peter Nicholls 

A man walks past a branch of the Royal Bank of Scotland in London, Britain December 1, 2017. REUTERS/Peter Nicholls 

A worker cleans the glass exterior next to the logo of RBS (Royal Bank of Scotland) bank at a building in Gurugram on the outskirts of New Delhi, India, September 8, 2017. REUTERS/Adnan Abidi 

The logo of RBS (Royal Bank of Scotland) bank is seen reflected in the windows of a branch of the bank in the City of London financial district in London September 4, 2017. REUTERS/Toby Melville 

A customer uses an ATM at a branch of RBS (Royal Bank of Scotland) bank in the City of London financial district in London September 4, 2017. REUTERS/Toby Melville 

A man holds placards outside of the Royal Courts as Bank of Scotland (RBS) pursued last-minute settlement talks with a group of investors to avoid a potentially embarrassing trial over allegations the lender misled them about a 2008 capital increase, in London in London, Britain May 22, 2017. REUTERS/Neil Hall 

Protestors hold a banner outside of the Royal Courts of Justice Royal as Bank of Scotland (RBS) pursued last-minute settlement talks with a group of investors to avoid a potentially embarrassing trial over allegations the lender misled them about a 2008 capital increase, in London, Britain May 22, 2017. REUTERS/Neil Hall 

Placards are stacked outside of the Royal Courts as Bank of Scotland (RBS) pursued last-minute settlement talks with a group of investorsto avoid a potentially embarrassing trial over allegations the lender misled them about a 2008 capital increase, in London in London, Britain May 22, 2017. REUTERS/Neil Hall 

Diagrama que muestra la estimación de reclamos a Royal Bank of Scotland (RBS). 22 cmde ancho (SGN01). 

Diagrama que muestra los reclamosestimados contra Royal Bank of Scotland (RBS). 22 cm de ancho. (SGN01) 

A man shelters under an umbrella as he walks past a branch of the Royal Bank of Scotland in London, Britain, September 17, 2013. REUTERS/Stefan Wermuth/File Photo 

A man walks past a branch of The Royal Bank of Scotland (RBS) in central London, Britain August 27, 2014. REUTERS/Toby Melville/File Photo 

The logo of the Royal Bank of Scotland (RBS) is seen at an office building in Zurich March 27, 2015. REUTERS/Arnd Wiegmann/File Photo 

A Royal Bank of Scotland branch is seen in central London, Britain February 21, 2009. REUTERS/Luke MacGregor/File Photo 

The logo of the Royal Bank of Scotland (RBS) is seen at an office building in Zurich March 27, 2015. REUTERS/Arnd Wiegmann/Files 

A man walks past a branch of The Royal Bank of Scotland (RBS) in central London, Britain August 27, 2014. REUTERS/Toby Melville/Files 

The City of London business district is seen through windows of the Royal Bank of Scotland (RBS) headquarters in London, Britain in this September 10, 2015 file photo. REUTERS/Toby Melville/File Photo 

A man walks past a branch of The Royal Bank of Scotland (RBS) in central London, Britain August 27, 2014. REUTERS/Toby Melville/File Photo 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Wales captain Rachel Taylor, Scotland Captain Lisa Martin, England captain Sarah Hunter, Ireland captain Niamh Briggs, France captain Gaelle Mignot and Italy captain Sara Barattin pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
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Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Italy captain Sergio Parisse and Italy Head Coach Jacques Brunel pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
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Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Italy captain Sergio Parisse and England captain Dylan Hartley pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
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Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Italy captain Sergio Parisse and Italy Head Coach Jacques Brunel pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
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Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
France captain Guilhem Guirado and and France Head Coach Guy Noves pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
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Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
France captain Guilhem Guirado and and France Head Coach Guy Noves pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
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Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Ireland captain Rory Best and Ireland Head Coach Joe Schmidt pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
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Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
England captain Dylan Hartley poses with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Wales captain Sam Warburton, Scotland captain Greig Laidlaw, Ireland captain Rory Best, England captain Dylan Hartley, France captain Guilhem Guirado and Italy captain Sergio Parisse pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
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Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Wales captain Sam Warburton and Wales Head Coach Warren Gatland pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Scotland captain Greig Laidlaw and Scotland Head Coach Vern Cotter pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Scotland captain Greig Laidlaw and Scotland Head Coach Vern Cotter pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Ireland captain Rory Best and Ireland Head Coach Joe Schmidt pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Ireland captain Rory Best and Wales captain Sam Warburton pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Ireland captain Rory Best and Wales captain Sam Warburton pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
France captain Guilhem Guirado and Italy captain Sergio Parisse pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Wales captain Sam Warburton, Scotland captain Greig Laidlaw, England captain Dylan Hartley and Ireland captain Rory Best pose with the Triple Crown trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Wales captain Sam Warburton, Scotland captain Greig Laidlaw, Ireland captain Rory Best, England captain Dylan Hartley, France captain Guilhem Guirado and Italy captain Sergio Parisse pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Wales captain Sam Warburton and Wales Head Coach Warren Gatland pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
England captain Dylan Hartley and England Head Coach Eddie Jones pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Scotland captain Greig Laidlaw and England captain Dylan Hartley pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Scotland captain Greig Laidlaw, Ireland captain Rory Best, England captain Dylan Hartley and Wales captain Sam Warburton pose with the Triple Crown trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Rugby Union - 2016 RBS Six Nations Media Launch - The Hurlingham Club, Ranelagh Gardens, London - 27/1/16
Wales captain Sam Warburton, Scotland captain Greig Laidlaw, Ireland captain Rory Best, England captain Dylan Hartley, France captain Guilhem Guirado and Italy captain Sergio Parisse pose with the RBS Six Nations trophy during the Media Launch
Action Images via Reuters / Andrew Boyers
Livepic
EDITORIAL USE ONLY. 

Royal Bank of Scotland chief executive Ross McEwan speaks during an interview with Reuters at Canary Wharf in London, Britain July 7, 2015. REUTERS/Neil Hall 

Royal Bank of Scotland chief executive Ross McEwan speaks during an interview with Reuters at Canary Wharf in London, Britain July 7, 2015. REUTERS/Neil Hall 

Royal Bank of Scotland chief executive Ross McEwan speaks during an interview with Reuters at Canary Wharf in London, Britain July 7, 2015. REUTERS/Neil Hall 

The City of London business district is seen through windows of the Royal Bank of Scotland (RBS) headquarters in London, Britain September 10, 2015. Britain should overhaul the way it runs a growing sprawl of state-owned financial bodies ranging from nationalised banks to institutions that manage student loans and business lending, the country's spending watchdog said on Thursday. REUTERS/Toby Melville

The City of London business district is seen through windows of the Royal Bank of Scotland (RBS) headquarters in London, Britain September 10, 2015. Britain should overhaul the way it runs a growing sprawl of state-owned financial bodies ranging from nationalised banks to institutions that manage student loans and business lending, the country's spending watchdog said on Thursday. REUTERS/Toby Melville

The City of London business district is seen through windows of the Royal Bank of Scotland (RBS) headquarters in London, Britain September 10, 2015. Britain should overhaul the way it runs a growing sprawl of state-owned financial bodies ranging from nationalised banks to institutions that manage student loans and business lending, the country's spending watchdog said on Thursday. REUTERS/Toby Melville

The City of London business district is seen through windows of the Royal Bank of Scotland (RBS) headquarters in London, Britain September 10, 2015. Britain should overhaul the way it runs a growing sprawl of state-owned financial bodies ranging from nationalised banks to institutions that manage student loans and business lending, the country's spending watchdog said on Thursday. REUTERS/Toby Melville

Pedestrians are reflected in the glass of an advertising board as they walk past a branch of The Royal Bank of Scotland in central London, Britain June 17, 2015. Royal Bank of Scotland said 600,000 customer transactions had not been processed after another technology problem at the state-backed bank. RBS said the cause of the problem had been identified and it was working to resolve missed wages, benefit payments, bill payments and other credit or direct debit payments for customers in Britain and Ireland. REUTERS/Stefan Wermuth

Pedestrians are reflected in the glass of an advertising board as they walk past a branch of The Royal Bank of Scotland in central London, Britain June 17, 2015. Royal Bank of Scotland said 600,000 customer transactions had not been processed after another technology problem at the state-backed bank. RBS said the cause of the problem had been identified and it was working to resolve missed wages, benefit payments, bill payments and other credit or direct debit payments for customers in Britain and Ireland. REUTERS/Stefan Wermuth

The logos of British bank Coutts and the Royal Bank of Scotland (RBS) are seen at an office building in Zurich March 27, 2015. Switzerland's Union Bancaire Privee (UBP) is buying the international business of 300-year-old British wealth manager Coutts, the latest deal by a Swiss private bank aimed at branching out from its struggling home market. The purchase of Switzerland-based Coutts International from Britain's Royal Bank of Scotland (RBS) also marks another retreat by a foreign bank from the Swiss wealth management industry amid a string of investigations into tax avoidance. REUTERS/Arnd Wiegmann 

The logo of British bank Coutts is seen at the entrance of an office building in Zurich March 27, 2015. Switzerland's Union Bancaire Privee (UBP) is buying the international business of 300-year-old British wealth manager Coutts, the latest deal by a Swiss private bank aimed at branching out from its struggling home market. The purchase of Switzerland-based Coutts International from Britain's Royal Bank of Scotland (RBS) also marks another retreat by a foreign bank from the Swiss wealth management industry amid a string of investigations into tax avoidance.REUTERS/Arnd Wiegmann 

The logo of the Royal Bank of Scotland (RBS) is seen at an office building in Zurich March 27, 2015. Switzerland's Union Bancaire Privee (UBP) is buying the international business of 300-year-old British wealth manager Coutts, the latest deal by a Swiss private bank aimed at branching out from its struggling home market. The purchase of Switzerland-based Coutts International from Britain's Royal Bank of Scotland (RBS) also marks another retreat by a foreign bank from the Swiss wealth management industry amid a string of investigations into tax avoidance.REUTERS/Arnd Wiegmann 

The logo of British bank Coutts is seen at an office building in Zurich March 27, 2015. Switzerland's Union Bancaire Privee (UBP) is buying the international business of 300-year-old British wealth manager Coutts, the latest deal by a Swiss private bank aimed at branching out from its struggling home market. The purchase of Switzerland-based Coutts International from Britain's Royal Bank of Scotland (RBS) also marks another retreat by a foreign bank from the Swiss wealth management industry amid a string of investigations into tax avoidance.
REUTERS/Arnd Wiegmann 

A pedestrian is reflected in an advertising board as he walks past a branch of The Royal Bank of Scotland in central London February 25, 2015. Royal Bank of Scotland reported a 2014 loss of 3.5 billion pounds ($5.4 billion) on February 26, 2015, hit by a writedown on the value of its U.S. business Citizens and new charges relating to foreign exchange investigations and mis-selling. Photograph taken February 25, 2015. REUTERS/Stefan Wermuth (BRITAIN - Tags: BUSINESS) 

A pedestrian is reflected in an advertising board as he walks past a branch of The Royal Bank of Scotland in central London February 25, 2015. Royal Bank of Scotland reported a 2014 loss of 3.5 billion pounds ($5.4 billion) on February 26, 2015, hit by a writedown on the value of its U.S. business Citizens and new charges relating to foreign exchange investigations and mis-selling. Photograph taken February 25, 2015. REUTERS/Stefan Wermuth (BRITAIN - Tags: BUSINESS) 

People walk past the head office of the Royal Bank of Scotland (RBS) in St Andrew Square in Edinburgh, Scotland September 11, 2014. Scotland's two biggest banks have said they would relocate to England if Scots vote for independence next week, adding to the economic uncertainties the country faces if it decides to end its 307-year union with the rest of the UK. The diminished presence of RBS and Bank of Scotland-owner Lloyds Banking Group, along with other leading financial groups which have also said they might relocate some operations on a "yes" vote, could be a significant loss given the sector's importance in the Scottish economy. REUTERS/Russell Cheyne (BRITAIN - Tags: BUSINESS POLITICS) 

A man photographs the head office of the Royal Bank of Scotland (RBS) in St Andrew Square in Edinburgh, Scotland September 11, 2014. Scotland's two biggest banks have said they would relocate to England if Scots vote for independence next week, adding to the economic uncertainties the country faces if it decides to end its 307-year union with the rest of the UK. The diminished presence of RBS and Bank of Scotland-owner Lloyds Banking Group, along with other leading financial groups which have also said they might relocate some operations on a "yes" vote, could be a significant loss given the sector's importance in the Scottish economy. REUTERS/Russell Cheyne (BRITAIN - Tags: BUSINESS POLITICS SOCIETY) 

The head office of the Royal Bank of Scotland (RBS) is seen in St Andrews Square Edinburgh, Scotland September 11 2014. Scotland's two biggest banks, including RBS, have said they would relocate to England if Scots vote for independence next week, adding to the economic uncertainties the country faces if it decides to end its 307-year union with the rest of the UK. REUTERS/Russell Cheyne (BRITAIN )