DETROIT (AP) — The United Auto Workers union is threatening to go on strike against Fiat Chrysler after its membership rejected a tentative contract deal with the company. In a statement, Fiat Chrysler said Tuesday that it received a strike notice from the union, and that it continues to work toward reaching an agreement. A letter to Fiat Chrysler that was posted on the UAW website Tuesday says the union is ending its contract with FCA at 11:59 p.m.Read more on NewsOK.com