The demonstrator, who had been protesting about Turkish action against Kurdish rebels, ran into the road outside the gates to Parliament.

This forced the lead vehicles in the convoy - a police motorbike and the Prime Minister's Jaguar - to stop, with a support vehicle running into the back of the luxury saloon carrying Mr Johnson.

The vehicles drove off shortly afterwards in the direction of Downing Street, with a large dent visible on the rear of the Jaguar.

Damage to Prime Minister Boris Johnson's car after a man ran in front of it as he left the Houses of Parliament, Westminster.

Downing Street said there were no reports of anyone being injured in the incident.

The protester was detained by police and taken into the Palace of Westminster by officers.

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Police detain a man after he ran in front of Prime Minister Boris Johnson's car (in background with dent) as it left the Houses of Parliament, Westminster.

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Boris Johnson involved in minor car crash outside Parliament after protester sparks panic