A teenager is in a critical condition in hospital after he was stabbed by three muggers.

The victim was one of two 17-year-old boys attacked by three men in High Mead, Harrow, just before 5pm yesterday.

He is in a stable and critical condition after being stabbed to both his thighs.

The second boy was treated for stab wounds to the neck but has since been discharged.

No arrests have been made and police are investigating.