City police ruling the body found at the fire at 374 Mount Pleasant Avenue North on Tuesday as a homicide victim.
70 year old Robert Ryan was killed but police have not released the cause of death.
A Canada-wide warrant has been released for 50 year old Stephen Wallace Martin. He is described as 6 foot 2 inches tall and 170 pounds with short salt and pepper hair and glasses. He is considered armed and dangerous.
You are being asked to call city police or Crimestoppers if you have any information and the numbers are 648-3333 or Crime Stoppers at 1-800-222-8477.