Police were called by London Ambulance Service at around 1.30am on Saturday, 20 April, to a man suffering stab injuries in Rothwell Gardens, Dagenham.

Officers attended and their initial investigations quickly led them to a second man suffering critical stab injuries in nearby Flamstead Road. Despite the efforts of emergency services, the 23-year-old man died at the scene.

Officers believe they know the identity of the man. Urgent enquiries are ongoing to inform his family.

The condition of the other man is not life-threatening. He was discharged from the hospital and has been arrested in connection with the investigation. The man remains in police custody.

The Met’s investigation is led by detectives from Specialist Crime supported by local policing colleagues.

Anyone with information or any witnesses are asked to call police on 101, ref 621/20APR. To remain anonymous please contact the independent charity Crimestoppers.