A 60-year-old man was struck and killed by a vehicle while riding his bicycle in Rancho Peñasquitos Wednesday evening, authorities said. The fatal collision happened around 5:35 p.m. when the driver of a northbound Toyota Camry collided with the rear tire of the bicycle on Salmon River Road near Li mar Way, according to the San Diego Police Department. Police said the driver, a 51-year-old woman, told investigators that she did not see the bicyclist. He was pronounced deceased at the scene. His name has not been released. Drugs and/or alcohol do not appear to be a factor in the collision, police said, but officers were investigating. ...read more read less