Calgary police are asking for the public’s help gathering information about an early morning road rage stabbing on Thursday. Calgary police say a man attended the Peter Lougheed Centre with stab wounds just before 8 a.m. Police say the man, who told hospital staff he’d been involved in a road incident, was in critical condition when he arrived but was later upgraded to stable. Investigators are working to identify and confirm the sequence of events leading to the man’s arrival at the hospital, including the location of the incident. Police believe the incident occurred between 6:30 and 7:30 along 36 Street N.E. between the community of Dover and the Peter Lougheed Centre. Anyone with dash cam footage is asked to contact police at 403-266-1234.