Police in Poland have detained at least 11 people after a naked demonstration at the Auschwitz museum, on the site of the former Nazi death camp.

The museum said "a group of people killed a sheep, undressed and chained themselves together".
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The motive behind the demonstration was unclear, officials said.
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The demonstrators could be charged with insulting a monument or symbolic place, which may result in a fine or a restriction of liberty, police said.
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Some Polish media say the action was a protest against the war in Ukraine, BBC Warsaw correspondent Adam Easton reports.

http://www.bbc.co.uk/news/world-europe-39383988