Nathaniel Shani was discovered with knife accidents by emergency companies in Tavistock Sq., Harpurhey, shortly after 6pm on Friday.
He was taken to hospital however his accidents have been so sever he died.
A 14-year-old boy was arrested shortly after the incident on suspicion of homicide and stays in custody.
In an replace on Saturday, Better Manchester Police stated a 13-year-old boy has additionally been arrested on suspicion of homicide.
Paying tribute to the sufferer his household stated: “Nathaniel was a finest pal to many, he by no means did not make folks giggle. Nathaniel was very variety, caring and all the time pondering of others.
“He was well mannered and essentially the most loving particular person. He would all the time put different folks first with no thought. He was a tremendous brother and son to his dad and mom and siblings.
“Our hearts are left damaged. Relaxation in paradise to essentially the most kindest soul.”
Detective Superintendent Rebecca Boyce stated: “This incident that has seen a younger boy sadly die has understandably rocked the local people in Harpurhey.
“We now wish to enchantment to the local people for any eyewitness accounts or footage of any exercise that we could possibly hyperlink to this investigation.
“It’s essential we now have as a lot element as doable to assist piece collectively what has occurred on this tragic incident the place somebody has sadly misplaced their life.”
Anybody with data is requested to Name Better Manchester Police’s Main Incident Staff direct on 0161 856 3015 or 101 quoting incident quantity 2843 of 15/09/2023 or to stay nameless Crimestoppers on 0800 555 111.