GMP has referred the case to the Independent Office for Police Conduct (IOPC)....
GMP has thanked the public for their "assistance in sharing our appeal"....
Salah Adam Eldin, 21, sustained "serious injuries" before losing his life on Wednesday 31 May....
GMP said Saint Mary's Hospital has been "fully cooperative" throughout the investigation so far....
Greater Manchester Police declared a major incident....
Additional police officers have now been deployed to the area....
GMP says that people ringing 999 for inappropriate reasons are "potentially putting lives at risk"....
Safety is being placed as the utmost priority ahead the challenging day for travelling ......
Police are urgently appealing for information and witnesses....