Sterling sinks after London mayor joins Brexit camp
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STERLING sank against the US dollar on Monday as the defection of London Mayor Boris Johnson to the "Brexit" camp added to concerns that a British departure from the European Union is a real risk.
After a positive reaction to Prime Minister David Cameron's sealing of an EU deal on Friday, with which to fight a referendum on June 23, the move by Mr Johnson along with a handful of other senior ruling Conservatives drove a wave of selling in Asia.
