A man has died and three others injured after a stabbing in east London.
Two people have been arrested on suspicion of GBH and officers remain at the scene on Buckle Street, Whitechapel, having been called just before 9am on Saturday.
A man in his 20s died at the scene, the Metropolitan Police said.
Three other men with stab injuries were taken to hospital.
Police have asked anybody with any information, including pictures or video of the incident, to come forward.