Obama tells Cameron that US values Britain in EU

President Barack Obama is wading into a sensitive issue with close ally Britain, making clear to Prime Minister David Cameron that the U.S. hopes Britain will stay in the European Union.

The White House said that Obama told Cameron in a call Thursday that "the United States values a strong U.K. in a strong European Union."

Britain's future in the European Union is a hotly debated topic in London. Some Britons reacted strongly when a U.S. official made remarks similar to Obama's earlier this month.

The White House statement on the call came after Cameron postponed a key speech on the European Union. Many expected him to announce a referendum on Britain's future in the EU.

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