A 27-year-old man was stabbed to death in a north Manchester suburb in the early hours of Saturday morning.
Greater Manchester Police said officers were called to reports that a man had suffered several stab wounds on Moss Bank, Crumpsall, shortly after 1.30am.
He died from his injuries while being taken to hospital in an ambulance, the force added.
A murder investigation has been launched and initial enquiries suggest the victim was attacked by a number of men, all believed to have been wearing dark clothing and balaclavas, police said.
Police believe the suspects fled the scene in the direction of Ash Tree Road.
The victim's family has been informed and is being supported by specialist officers.
Detective Inspector Neil Higginson, senior investigating officer in the major incident team, said: "First and foremost, my thoughts are with the victim's family and loved ones at this devastating time.
"This was a shocking and tragic attack which has resulted in a young man losing his life. We are carrying out extensive enquiries to establish exactly what happened and identify everyone involved."
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DI Higginson added that there will be a "significant police presence in the area while our investigation continues, and I would like to reassure the community that we are pursuing all available lines of enquiry".
A crime scene remains in place on Moss Bank and Ash Tree Road as "forensic opportunities are explored", police said.
No arrests have been made and anyone with information is being urged to contact police.
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