A teenager is the fourth person arrested after a 62-year old man was stabbed in a supermarket car park. The victim was stabbed four times as he walked to his vehicle after shopping at the Aldi store near Salford Precinct.
The victim remains in intensive care in hospital but it is thought his injuries are not life threatening.
The incident happened on Tuesday, January 10, at around 4.25pm when officers received reports of a stabbing on Heywood Way.