Three people have been injured during a shooting in south London.
Police were called at about 0430 GMT to Waddon Road in Croydon. They found an injured man and a woman. Neither of them was left in a critical condition.
Another man then walked into St George's hospital in Tooting, south London, with a gunshot wound.
Police say the incidents are linked. Four people have been arrested. Detectives from the Trident unit are investigating.