A man has been rushed to hospital after being stabbed on a busy high street in north west London.
Police were called to Station Road, in Harrow, just after 9.10pm on Sunday to reports of a stabbing.
Officers found a man in his mid-20s suffering injuries at the scene, police said.
He has been rushed to hospital, where his condition is currently unknown.
Dramatic footage has emerged on social media of the scene taped off as officers investigate.
Paramedics can be seen kneeling over the victim as shocked onlookers watch on.
One witness, known as Craigo, tweeted: “I was next to the scene. Young man on the ground surrounded by a group of people.
“Police are on the scene, it looked like he had been stabbed.”