Questions asked over Prince Charles and Camilla 'ambush'
The Prince of Wales and the Duchess of Cornwall escaped unhurt after their car was attacked in demonstrations against the government's plans to increase university tuition fees in England.
There were sporadic clashes between protesters and the police where windows were smashed, fires lit and graffiti sprayed on buildings and statues.
The BBC's Andy Tighe says questions will be raised about police handling of protests after the attack.