A man has life-threatening injuries after he was struck by a vehicle in Etobicoke early Thursday morning.Emergency responders were called to the area of Dundas Street West and Kipling Avenue just before 3:30 a.m.Toronto police say the incident happened in a parking lot of a building west of Kipling.Paramedics transported the man, believed to be in his late 40s, to the hospital.Police say the driver remained at the scene.