German Chancellor Angela Merkel. Photo: Wikimedia Commons.

New York Times – Stunned by Britain’s vote to leave the European Union, leaders of the bloc’s member states began converging in Brussels on Tuesday to respond to what is arguably the greatest challenge ever to confront the 28-nation bloc.

Prime Minister David Cameron of Britain will join his counterparts to discuss the aftershocks from the British referendum on Thursday, but he will then return to London — leaving the other leaders to ponder their response to Britain’s decision.

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