The St. Clair County Sheriff's Office says a two-car crash Sunday morning saw non-life threatening injuries.  The accident happened about 8:23 a.m. at the intersection of Fred Moore Highway and Allington Road in China Township.  A driver on Allington failed to stop at a stop sign and struck a vehicle traveling along Fred Moore.  One driver was transported to a Detroit hospital with non-life threatening injuries and the driver and passenger from the other vehicle were treated at the scene and released.