(Renville County, MN)--Four people have been injured following a crash in Renville County. A Buick Lucerne, driven by Mark Walter, 60, of Bird Island, was traveling eastbound on Highway 212 near Stewart when one vehicle crossed over the center line causing it to collide with a Toyota Tacoma. Walter along with his two passengers were all injured. Officials say that Walter and one other passenger suffered life-threatening injuries in the crash. The two were taken to the Hennepin County Medical Center. Another passenger and the driver of the Toyota both suffered non-life-threatening injuries. The crash remains under investigation.