A man is in life-threatening condition in hospital after an overnight stabbing downtown.
Calgary police say they went to the 600 block of 5 Avenue S.W. after calls indicating a man in medical distress.
He was found suffering from stab wounds and rushed to hospital.
One person is in custody.
The road was closed in the area, but has re-opened since.
Anyone with information is asked to call the CPS non-emergency line at 403-266-1234 or the Homicide Tip Line at 403-428-8877. Tips can also be submitted anonymously to Crime Stoppers.