Police are looking for the public’s help to find what caused a parked vehicle to roll down a hill in southwest Calgary on Thursday, injuring two people. At 4:40 p.m., police were called to the 0-100 block of Cedardale Hill S.W. after a vehicle was seen rolling backwards. Investigators say the vehicle struck one person, while a second victim was hurt when they attempted to enter the moving vehicle to stop it. The first person sustained life-threatening injuries while the second victim suffered only minor injuries. Police are looking to speak with witnesses or residents who may have been in the area at the time. Anyone with information about this incident is asked to contact police by calling 403-266-1234. Tips can also be submitted anonymously to Crime Stoppers through any of the following methods: