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Eurovision 2012: Rights groups up pressure on Baku

8 May 2012 Last updated at 22:56 BST

Human rights groups are calling on the organisers of the Eurovision Song Contest to put pressure on this year's host country, Azerbaijan, over its treatment of political dissenters.

The authorities are accused of imprisoning opposition figures and beating journalists - and with only weeks until the competition, musicians speaking out against the president have become the latest target.

Daniel Sandford reports from Baku.