The New York museum’s former security head admits to taking the street artist's work after it was illicitly hung on the wall ...

another shows a woman wearing a gas mask with a fire extinguisher, and another appears to show kids using a metal tank trap as a seesaw. These and the four others mark Banksy's first public murals ...

Banksy’s most expensive painting ... One depicted a woman standing in her dressing gown, wearing a gas mask. A month later it was stolen. The thief claimed he wanted to put the piece up for ...