A man is in custody, and a woman has been taken to the hospital following an early morning stabbing.Toronto police were called to a home in the Ossington Avenue and Harbord Street area just after 6 a.m. Sunday.When they arrived, they found a woman in her 20s suffering from injuries sustained in an apparent altercation. She was taken to the hospital, but the extent of her injuries was not immediately known.Investigators say a man in his 50s was arrested at the scene and also taken to the hospital for treatment of unknown injuries.