Prince Charles and Camilla Caught in London Student Riot (We are now learning that there was physical contact between Camilla and one of the protesters who ambushed the car)

Prince Charles and his wife, Camilla, react as their car is attacked in London on Thursday amid protests over university tuition hikes. "

There was physical contact between Camilla, Duchess of Cornwall, and one of the protesters who ambushed the car she and Prince Charles were in during Thursday's demonstrations against rising university tuition fees, the British government says.

Home Secretary Theresa May told Sky News on Sunday that "there was contact made," although she would not confirm reports Camilla had been poked with a stick through an open car window.

The prince's office also declined to comment, but stressed that the royal couple did not seek medical help after the altercation.

Officials are assessing royal security after the attack on Charles and Camilla, whose Rolls-Royce strayed into the path of protesters.

Demonstrators hit the car with sticks, fists and bottles and chanted "Off with their heads" before the vehicle pushed its way through the crowd and drove off.

Police have launched a "major criminal investigation" into the demonstrations, which saw protesters scuffle with riot police, smash windows and daub government buildings with graffiti.

Thirty-six people were arrested in connection with the protests in central London on Thursday. On Sunday, police posted images of 14 others who are wanted for questioning