Detectives investigating the death of a man who was stabbed near Trafalgar Square are appealing for witnesses to come forward.

A murder investigation had been launched after a man, believed to be in his 30s, was stabbed to death in Adelaide Street on Tuesday December 27.

Emergency services were called to the street, near popular tourist landmark, Trafalgar Square, at around 7.30am to reports of a man being stabbed.

The police said the man was stabbed at some point between 7.05am and 7.15am.

A spokesman for the Metropolitan Police said: "Detectives would like to speak with anyone who heard or witnessed an altercation at around this time in this area, or who saw the stabbing take place."

London Ambulance , also at the scene, pronounced the man dead at 8.27am.

Cordons remain in place in and around the Adelaide Street and St Martin's Lane area of Westminster .

Police are now appealing for witnesses who may have seen someone leaving the scene near Adelaide Street, Westminster

Police believe they know the identity of the deceased, but are waiting for a formal identification.

The next of kin have now been informed and a post-mortem examination will be arranged in due course.

The usually busy street near Charing Cross is still cordoned off as officers investigate

An incident room has opened under Detective Chief Inspector Tim Duffield of the Homicide and Major Crime Command.

Any witnesses or anyone with information is asked to call the incident room on 020 8358 0400 or via 101.

To give information anonymously contact the charity Crimestoppers on 0800 555 111 or visit their website via crimestoppers-uk.org

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