Toronto police responded to a radio call for a stabbing at 36 Hearst Circle on March 9th at approximately 11:23am.
Police located Arturo Acuna, 70, of Toronto, in life-threatening condition. He was pronounced at the scene.
Ronnie Acuna Aguirre, 33, of Toronto, was arrested at the scene, and charged with second degree murder. Police say Acuna was stabbed before the alleged attacker stabbed himself.
Anyone with information is asked to contact police at 416-808-7400, Crime Stoppers anonymously at 416-222-TIPS.