Cameron said he sold the stake in the Bahamas-based trust in 2010, four months before he became prime minister, in an interview with television channel ITV.

Downing Street have issued four statements on the affair this week following Sunday's publication of the leaked Panama Papers, which showed how Panama-based law firm Mossack Fonseca had helped firms and wealthy individuals set up offshore companies.

"We owned 5,000 units in Blairmore Investment Trust, which we sold in January 2010. That was worth something like 30,000 pounds (37,000 euros, USD 42,000)," Cameron said.

"I sold them all in 2010, because if I was going to become Prime Minister I didn't want anyone to say you have other agendas, vested interests."

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