LONDON (Reuters) - One of her men was seriously injured after being stabbed in a machete attack linked to a car park, police said on Wednesday.
London police said on Twitter that the policeman, in his fourth decade, was in hospital "in a serious but stable condition." He suffers head and hand injuries.
The incident occurred after midnight on Thursday when two uniformed police officers driving a van to a van stopped in Leighton, east London.
And later the vehicle when it did not stop. When they stopped, the two policemen got out of the car to talk to the driver who attacked one of them, the police statement said.
The perpetrator was sickle holder in his sixth decade. He was arrested after the policeman used a lightning bolt to control him.
"What started out as a routine operation to stop a vehicle turned very quickly and unexpectedly into an unprovoked attack with a weapon," said Inspector Julia James of the Northeast Command Unit.
The incident is not believed to be linked to terrorism.