Police have released security pictures of a man with a rather unique appearance who was also seen carrying a handgun on a TTC bus as it ran along Graydon Hall Drive in Don Mills Friday about 5.50 p.m. He is described as approximately 35, medium build, blond hair pulled into a hair tie on top and cut short in the back, and a long blond goatee. His arms were heavily tattooed with a flower tattoo on his left hand. He is considered armed and dangerous. If located, do not approach. Call 9-1-1 immediately.