A motorcyclist has been taken to hospital after getting trapped underneath a van in a crash today.
Police and ambulance crews were called to the Northwick Park Roundabout, Harrow at 11.41am.
A 70-year-old biker was trapped under the van and the road was closed temporarily while he was freed and taken to a London hospital.
His injuries are not believed to be life threatening.
The driver of the van, a 42-year-old man, was arrested on suspicion of dangerous driving at the scene and taken to a police station for questioning.