With Banksy's identity remaining hidden, there's the thorny issue of copyright to deal with - as well as the ownership of the pieces he's painted on public buildings.
Scotland’s cultural funding body has withdrawn funds from an art installation involving real sex acts following backlash from politicians and feminist groups.
The masterpiece has been covered in soup by climate activists at the Louvre in Paris, France this morning - as the protestors demand the right to 'healthy and sustainable food'.