A woman in her 70s has been rushed to hospital after being struck by a vehicle in the Wallace-Emerson area.Toronto police were called to Lansdowne and Lappin avenues just before 4 p.m. for reports of a collision.The pedestrian suffered life-threatening injuries after being struck by a vehicle. The driver involved remained on the scene. Northbound Lansdowne is closed south of Wallace Avenue while southbound Lansdowne is closed north of Dupont Street.