UK should listen to its friends, Cameron says on Obama's Brexit warning

Britain's Prime Minister David Cameron (R) and US President Barack Obama (L) listen during a press conference at the Foreign and Commonwealth Office in central London on April, 22, 2016. REUTERS/Ben Stansall/Pool

LONDON (Reuters) - Prime Minister David Cameron said on Friday Britain should listen to its friends, after U.S. President Barack Obama said Britain would be at the back of the queue for a trade deal with the U.S. if it leaves the European Union. Cameron and Obama spoke at a joint press conference after meeting in London. (Reporting by Andy Bruce; editing by Stephen Addison)