(Tigard, OR) -- An investigation is ongoing into a hit-and-run crash that killed one woman and seriously injured her elderly mother in Tigard. Police say the 57-year-old woman and her 86-year-old mother were walking across Southwest Hall Boulevard Friday night when a driver crashed into them and continued driving. The younger woman died at the scene, while her mother was hospitalized for serious injuries. The suspect vehicle is described as a dark colored 2015 or 2016 Jeep Renegade.