Authorities are investigating a car crash involving a Boston police cruiser that resulted in one officer being rushed to the hospital with non-life-threatening injuries this afternoon, police said.Officers responded to the two-car collision near the intersection of Canterbury and Walk Hill streets in Roslindale at 4:48 p.m., Boston police spokeswoman Neva Coakley said.Coakley said she didn’t know how many people were traveling in the other car or whether there were any other injuries.No other information was available.