Nearly 900 homes and businesses have lost power in Richmond Hill after a crash in the Leslie Street and Bur Oak Avenue area. The blackout comes after a major crash at Leslie Street and Princeton Avenue just before 9 p.m. Injuries were reported but no further details are available. York Regional police says two vehicles were involved in the crash that damaged hydro poles. Staff Sgt. Marc Hilliker says drivers are cautioned to avoid the area as hydro crews work to fix live wires on the ground. Roads will be closed from Elgin Mills to Major Mackenzie Drive. on Leslie Street, Electricity supplier Alectra estimates all power should be restored by 5 a.m.