Police say they went to a home early Sunday morning after hearing reports of a fight.
Officers found two teenaged youths suffering from stab wounds and rushed them to hospital.
One of the youths who was identified by friends as 17-year-old Juliano Vieira died of his wounds.
Roland Smith, 18, of Calgary is charged with second-degree murder and attempted murder.
Police say another man is also in custody. (CHQR)