The humanitarian ship Aquarius is seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta August 15, 2018. REUTERS/Darrin Zammit Lupi 

Britain's Secretary of State for Business, Energy and Industrial Strategy, Greg Clark, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Britain's Secretary of State for Business, Energy and Industrial Strategy, Greg Clark, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Britain's Secretary of State for Business, Energy and Industrial Strategy, Greg Clark, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Britain's Secretary of State for Business, Energy and Industrial Strategy, Greg Clark, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Britain's Secretary of State for Business, Energy and Industrial Strategy, Greg Clark, looks over his shoulder before addressing the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble TPX IMAGES OF THE DAY 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, prepares to address the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, prepares to address the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, prepares to address the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, wearing an England 'Three Lions' lapel pin, prepares to address the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Bridget Rosewell, Chairman of Atom Bank, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Sue Fox, CEO M&S Bank, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Sue Fox, CEO M&S Bank, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Bridget Rosewell, Chairman of Atom Bank, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

Mark Carney, Governor of Bank of England, addresses the Northern Powerhouse Business Summit Boiler Shop in Newcastle, Britain, July 5, 2018. REUTERS/Phil Noble 

The charity ship Lifeline is seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

The charity ship Lifeline is seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrant women look on as they sit in a bus, at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants react as they sit in a bus, at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants are seen in a bus, at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

A migrant child is carried out from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi TPX IMAGES OF THE DAY 

Migrants are seen after disembarking the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi TPX IMAGES OF THE DAY 

Migrants disembark from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi TPX IMAGES OF THE DAY 

Police talk to the Lifeline's crew members, at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Charity ship Lifeline's crew members are seen after the migrants had disembarked, at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Charity ship Lifeline's captain Claus-Peter Reisch is seen being embraced by the crew member, at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

A migrant disembarks from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants disembark from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants are seen onboard the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants react onboard the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Captain Claus-Peter Reisch is seen onboard the charity ship Lifeline, at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

A migrant disembarks from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants are seen after disembarking the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Ambulances are seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

A migrant child is carried out from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants disembark from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants are seen after disembarking the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants are seen after disembarking the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants are seen onboard the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

A migrant child is carried out from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

A migrant child is carried out from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants disembark from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Migrants disembark from the charity ship Lifeline at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

Police seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

The charity ship Lifeline is seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

The charity ship Lifeline is seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

The charity ship Lifeline is seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

The charity ship Lifeline is seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi 

The charity ship Lifeline is seen at Boiler Wharf in Senglea, in Valletta's Grand Harbour, Malta June 27, 2018. REUTERS/Darrin Zammit Lupi