CNN Report on the Incident:
A window was cracked and their car hit by paint, but the couple were unharmed.
In angry scenes, protesters battled with police in Parliament Square and attacked buildings, including the Treasury and the Supreme Court.
Ambulance services say 37 people were hurt. The police made 22 arrests.
Downing Street said the protests and the attack on Prince Charles's car were "pretty shocking stuff".
Not the First Time Prince Charles Attack in 1994 (Australia):
Prince Charles is attacked by a student, armed with a starting pistol, in Australia.
Clarence House said the royal couple were safe and attending the Royal Variety performance as scheduled.
Metropolitan Police Commissioner Sir Paul Stephenson said there would be a "very serious and very detailed investigation" into the disturbances, in which 10 police officers have been injured.
Protests spread to the West End with demonstrators breaking shop windows in Oxford Street.
Beatles 1968 Song "Revolution":
Riot police had to force back protesters who were smashing windows of the the Treasury and the Supreme Court.
ROYAL FORUM: Crown Prince of Serbia Seeks to Restore The Monarchy
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