A car has collided with the front gates of Downing Street in London, where British Prime Minister Rishi Sunak's office and residence is based.
Police said there were no injuries and one person had been arrested.
"At around 16:20 hrs a car collided with the gates of Downing Street on Whitehall. Armed officers arrested a man at the scene on suspicion of criminal damage and dangerous driving," police said in a statement.
A Reuters witness said there was a small vehicle outside the gate, with its doors and trunk open.
Cordons were in place along Whitehall, a main road running past Downing Street where several government departments are based.


Landmark Myanmar Rohingya genocide case opens at UN's top court
Swiss court keeps bar owner in custody after deadly fire, SRF reports
Indian rocket launch loses control after liftoff in fresh blow to ISRO
Homeland Security to send hundreds more officers to Minnesota
India proposes forcing smartphone makers to give source code in security overhaul