Teenage boy stabbed to death in south London

Detectives said today they had launched a murder investigation after a teenage boy was stabbed to death in a south London park.

Officers were called to Larkhall Park in Lambeth yesterday evening after two teenage boys were seen with injuries.

One was pronounced dead at the scene while the other was taken to hospital where his condition was described as stable.

Four men have been arrested in connection with the incident and detectives said they were keeping an open mind as to the motive.