POLICE have launched a murder inquiry after three teenagers were stabbed in an incident this morning.

One of the youths was pronounced dead when police arrived at a third floor flat in Verona House, Waterhead Close, Erith at 3am today.

Two other men believed to be in their mid to late teens were taken to the Royal London Hospital in Whitechapel suffering stab wounds.

One youth has since been discharged and one remains in hospital in a serious but stable condition.

The deceased victim has not been identified and a post-mortem has yet to be arranged.

Police are investigating the circumstances of the killing and are keeping an open mind about motive.

However it is believed the youths were stabbed following an altercation with a suspect or suspects who then left the flat.

An Incident Room is being set up at Barking under DI Phil Rickells from the Homicide and Serious Crime Command.

Anyone with info should contact Crimestoppers on 0800 555 111.