A man stripped off naked and declared himself a 'guest exhibit' at one of Germany's most respected museums.

It happened during an exhibition on antique pictures of Jesus Christ at the Wallraf-Richartz-Museum in Cologne.

According to visitors, Walter Hofmueller, 58, suddenly removed his clothes and climbed on to a table next to one of the pictures.

When the police arrived the man was still standing in the same position. He was arrested and charged with exhibitionism and breach of the peace.