Four pedestrians are the in the hospital, with one taken to a trauma centre after they were struck in a two vehicle collision in Brampton Friday night.Police say the incident occurred in the Timberlane Drive and Ray Lawson Boulevard area just before 7:30 p.m. Officers say two vehicles were involved in a crash at the intersection, and as a result, four pedestrians were struck. Three of them were taken to hospital and one pedestrian was taken to a trauma centre with life-threatening-injuries.The drivers of the two vehicles involved sustained minor injuries, but remained at the scene, according to police.The cause of the crash is still unknown.