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A man has been found with a fatal stab wound on a double decker bus in Marylebone.

Police have launched a murder investigation after the 48-year-old was discovered on the route 189 bus shortly after midnight on Friday (April 28).

Officers were called to Gloucester Square, near the junction with Dorset Square, in Marylebone, by London Ambulance Service at 12.10am.

Officers believed they know the identity of the deceased, but are waiting for formal identification and confirmation that next of kin have been informed.

Police are now appealing for witnesses and anyone who was travelling on the bus to contact and assist them with their investigation.

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That’s all from us and our live coverage of the Marylebone bus murder.Make sure to read getwestlondon for more updates when we receive them.

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Summarising...

Here’s what we know so far.

No arrests

Police say there has been no arrests yet made and that enquiries continue to establish the full circumstances

189 route

The 189 bus runs between Brent Cross Shopping Centre and Marble Arch station.

It stops along the way at Cricklewood Broadway, Kilburn and Brondesbury stations, Lord’s Cricket Ground and Baker Street station

TfL unable to comment

A TfL spokesperson has said it is unable to comment as the incident is an ongoing police investigation

Incident room set up

Witnesses or anyone with information that may assist the investigation should call the incident room on 020 8785 8099.

Information can also be passed on anonymously to Crimestoppers on 0800 555 111.

'Crucial to speak to witnesses'

It is crucial that we speak with any potential witnesses. Even if you do not believe you saw anything significant, if you were at the bus station at around 11pm or on the bus then please call the incident room.”

'Boarded at Brent Cross'

He said:

I believe the victim boarded the bus at Brent Cross bus station at 23:13hrs on Thursday, 27 April. I want to hear from anyone who was at Brent Cross bus station or who travelled on the 189 bus from Brent Cross towards the Marylebone area at around that time.”

Homicide and Major Crime Command investigating

The murder investigation is being led by Detective Chief Inspector Noel McHugh of the Homicide and Major Crime Command.

Image from police

Police were initially said it was “an unexplained death”.

Police at the scene

This video captures the scene earlier today

Post mortem to be held

A post-mortem examination will be arranged in due course.

Formal identification awaits

Police believe they know the identity of the deceased, but await formal identification and confirmation that next of kin have been informed.

Victim was 48-year-old man

The 48-year-old was pronounced dead at the scene.

Emergency services called around midnight

Police were called by London Ambulance Service at around 12.10am on Friday (April 28) to a man with a stab wound on the Route 189 bus in Gloucester Place near the junction with Dorset Square, in Marylebone.

Murder investigation launched

A murder investigation has been launched after a man with a fatal stab wound was found on a bus in Marylebone.