Police are seeking dash cam and security video which might show what happened at Islington Ave. and Aylesbury Rd. Wednesday afternoon when a motorcyclist struck a pedestrian and then left the scene. The pedestrian is a woman of 81 who was crossing Islington from west to east. The motorcycle was southbound on Islington in the passing lane. It looks like a perilous crossing similar to so many outlying through roads. The woman may have gotten off a bus as she tried to make her way home. At 5.25 p.m. it seems likely the motorcyclist had his vision at least partly blocked by other rush hour traffic.