PARIS, March 22 (Xinhua) -- Three French students were injured in the attack near London parliament on Wednesday, the country's foreign ministry said.
"We confirm that three students from the Saint-Joseph school in Concarneau who were on a school trip were among the injured people," Romain Nadal, the Quai d'Orsay spokesperson said.
The ministry is following the situation in Westminster and in close contact with British authorities to offer help to French nationals, he added.
According to the regional newspaper Le Telegramme, French victims are 15-16 year-old of the Concarneau Lycee in Bretagne, western France. One of them was in critical condition after a vehicle struck them on the nearby Westminster Bridge, it added.
Earlier on Wednesday, a knifeman stabbed a police officer outside the house of parliament in London before police shot him dead. A vehicle crushed into people on the nearby Westminster Bridge.
At least four people were killed and 20 others injured in the "terrorist" attack, according to London police.