Bank of England in 'close contact' with banks after vote for Brexit

World financial markets dived as nearly complete results showed a 51.8/48.2 percent split for leaving the EU.

Sterling sank to its lowest level since 1985 and the London stock market is set to fall sharply at the open.

"The Bank of England's Prudential Regulation Authority is in close contact with banks," the source said.

(Reporting by Huw Jones, editing by Andy Bruce)