Police investigating a spate of stabbings in south London have launched a murder investigation after a 22-year-old was killed and nine others were injured. Officers were called to five reports of stabbings in the Croydon area between 6.56pm and 9.12pm on Friday. A 22-year-old man injured at a property in Wisbeach Road, Croydon, was pronounced dead at the scene. The Metropolitan Police said a group of males attended an address in Wisbeach Road and the victim was stabbed in an altercation. On Saturday, Scotland Yard said the incidents are not thought to be linked.