Protesters throw soup at Mona Lisa in Paris

Leonardo Da Vinci’s Mona Lisa is one of the best-known artworks in the world (Chris Radburn/PA)

Protesters have thrown soup at the Mona Lisa painting in the Louvre Museum in Paris.

The 16th-century paining by Leonardo Da Vinci, which is one of the world’s most famous artworks, is protected behind a glass pane.