Shortly before 2.50pm on Monday 21 January 2019, police were called to reports that a man had been shot on Knowsley Street.
Firearms officers and detectives attended and a 24-year-old man was taken to hospital with serious leg injuries where he remains for treatment.
Yesterday, two men – aged 27, 28 – were arrested along with a 56-year-old woman and they all remain in custody for questioning.
Today, a 29-year-old woman was arrested and she also remains in custody for questioning.
Enquiries are ongoing.
Detective Inspector Julie Maxwell, of GMP’s Rochdale division, said: “A man has been left with potentially life changing injuries and we are determined to establish the full circumstances surrounding this incident.
“Whilst we have four people in custody, our investigation is very much ongoing and I would urge anyone with any information to get in touch as soon as possible.
“We are continuing to treat this as an isolated incident and would encourage anyone with any concerns to either approach officers in the area or call police.”
Anyone with information should call police on 0161 856 4810 or 101, quoting incident number 1127 of 21/01/2019, or the independent charity Crimestoppers, anonymously, on 0800 555 111.