The man branded Britain's most violent prisoner has abandoned his sketch pad in protest after prison guards banned him from sending drawings to friends.
Charles Bronson, who was imprisoned for life after threatening to kill an art teacher in 1999, has become a prolific artist since first being jailed for armed robbery in 1974.
Controversially, his surreal multicoloured drawings have sold for up to £1,000 and been displayed in galleries across London and the south east.
The 61-year-old has spent the last 40 years in jail - save just four months and nine days between crimes - with 36 of those years spend in solitary confinement due to his "aggression" and serial hostage taking.
During his time in solitary, Bronson's "greatest pleasure" was sketching and painting hundreds of artworks, many of which depict his life "inside his cage".
One painting has even been displayed at Angel Tube station in London - a move that provoked sharp criticism from the National Victims Association.