A man aged in his 20s has been shot dead at a block of flats in south-west London.
The victim was discovered critically injured when armed police were called to Exeter House, Watermill Way, Feltham, at 23:05 BST on Friday.
He was treated by paramedics but died at the scene shortly after. His next of kin have been told.
Scotland Yard said nobody else was injured in the shooting and no arrests have been made.
A post-mortem examination will take place “in due course”, the force said.
In a separate attack, a 17-year-old boy was left in a critical condition after being stabbed on a north London street.
The teenager was taken to an east London hospital following the attack on Goswell Road at 23:10.
No arrests have been made. Police said the victim’s family have been informed.