Officers were called to the station 889 36th Street N.E. station around 6:30 p.m. and found a man with apparent stab wounds.
The victim, 28-year-old Tristan Robert George Anderson, was taken to hospital in life-threatening condition where he later died, police said.
The Calgary Police Service said six people were initially taken into custody and there is no danger to the public.
One man has been charged with second-degree murder.
Theran Keurin Rodrick Dixon, 19, is scheduled to appear in court on Sept. 22.
An autopsy has been scheduled for Tuesday.
Anyone with information regarding the incident is asked to contact police at 403-266-1234 or leave an anonymous tip with Crime Stoppers.
- Sikh leaders from North America meet in Surrey, B.C., in wake of killing
- Widow of slain referee renews calls for capture of Canada’s most wanted
- Hospital in London, Ont. calls Code Silver over threats scare, 1 arrested
- Associate of slain B.C. Sikh leader says he was also warned of threat to his life