This is the most recent in a string of incidents at UK museums where activists vandalise art to draw attention to their causes.
A German eco-activist who travelled to Poland to prove that loggers had forced a bear out of its den was attacked by the very same animal trying to protect its home.
One of Scotland’s oldest fox-hunting clubs will be closing down after a new bill has been passed into law that bans hunting and killing mammals using packs of hounds.
The US Court of Appeals has ruled that Joe Maldonado-Passage, better known as Joe Exotic, should have his prison sentence shortened.
Old habits die hard, although over the years Pamela Anderson has changed from flashing skin on home-made videos to raising awareness for animal rights group PETA.