Five people were hospitalised after a gang of 'thugs' committed 'violent robberies' in the Northern Quarter.
Police said seven separate robberies occurred in the area between 2am and 4am in the early hours of today (Sunday).
The victims, who were aged between 20 and 60, were approached by three men before being attacked and having items stolen from them.
Following the robberies, five people had to go to hospital for treatment. Some remain in hospital, police said.
No-one has been arrested, and police are appealing for help.
Officers say the offenders are three men, aged approximately between 20 and 40.
Detective Sergeant Kat McKeown of GMP’s City of Manchester Division said: “This was a series of violent robberies during which victims have been set upon by three men intent on causing them harm.
“I’d like to assure the public that we’re currently working to identify those responsible and I’d ask that anyone with information contact police.
“We wish those who remain in hospital a speedy recovery from their injuries.”
Coun Pat Karney, Manchester council's city centre spokesman, added: "These thugs need tracking down and brought to justice.
"It's disgraceful that residents and visitors can't be safe at night in Manchester."
Anyone with information should call police on 0161 856 4409 or the independent charity, Crimestoppers, anonymously, on 0800 555 111.
