A tenth teenager has been arrested and questioned by police on suspicion of the murder of 16-year-old Kennie Carter.
The 13-year-old from Stretford area, who was arrested on Monday morning, February 7, has since been released on bail.
Kennie died in hospital on January 22 after suffering a fatal wound to the chest following a reported stabbing in Stretford.
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Six teenagers, all aged between 14 and 17, have already been arrested on suspicion of murder and remain on bail with conditions.
They were all quizzed by investigators from Greater Manchester Police's Major Incident Team.
Three other teenage boys who were arrested have since been eliminated from the inquiry.
Yesterday morning, February 7, police made a tenth murder arrest - a 13-year-old boy from the Stretford area who was questioned by detectives.
He has been released on bail.
Police confirmed that Kennie's family are being kept updated on the investigation through specialist officers.
The Major Incident Team at GMP said that so far, they have spoken to 50 people, collated over 100 hours of CCTV and executed 10 warrants in relation to the teenager's death.
A spokesperson for the force added: "We're particularly keen to hear from anyone who may have been driving through Moss Road, Thirlmere Road, and Victoria Road between 6-7pm that night and urge them to check their dash-cam."
Any footage or images from the night can be submitted to GMP's online portal.
Anyone with information can contact police on 0161 856 9908 quoting incident 2529 of 24/01/2022.
Details can be passed anonymously to the independent charity Crimestoppers on 0800 555 111.