At around 8.55pm on Friday 17th May 2019, police were called to Berwick Street in Rochdale to reports of an ongoing fight.
A man – who is believed to be in his 20s – was taken to hospital where he sadly died.
Officers attended and a 25-year-old woman has been arrested in connection with the investigation.
Detective Superintendent Howard Millington, said: “We are keeping an open mind as to the circumstances around the incident and I would appeal for anyone with any information or anyone who witnessed the incident that took place to contact us as a matter of urgency.
“I would also like to reassure people in the local area that I don’t believe this was a random incident and there will be an increased police presence in the area, along with detectives who will ensure a thorough investigation takes place to get to the bottom of this tragic incident.
“My thoughts are with family and friends of the young man involved at this difficult time.”
Anyone with information should contact GMP on 0161 856 4646 quoting reference number 2284 17/05/19 or the independent charity Crimestoppers, anonymously, on 0800 555 111.