New information has emerged about the possible responsibility of the United Nations for thousands of deaths from a cholera epidemic in one of the poorest countries in the world.
The allegation is that the United Nations - an organisation that works to eradicate disease around the world - may have inadvertently introduced cholera into the Caribbean nation of Haiti via infected peacekeepers from Nepal, where the disease is endemic.
This month marks two years since the epidemic began.
Reporting from Haiti, the BBC's International Development Correspondent Mark Doyle says the UN is facing a legal, financial and moral crisis in the country.
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