A massive fire at a Tracy warehouse complex was burning out of control Thursday afternoon and sending a huge plume of black smoke into the air. The fire broke out at a little before 1 p.m. at the Medline Distribution Center, a medical supply warehouse in the 5700 block of Promontory Parkway just south of Interstate Highway 205 and west of the downtown area, according to Tracy Police Department spokesperson Kaylin Heefner. So far, no injuries have been reported, but the roughly 1 million square foot warehouse is fully engulfed in flames, according to the South San Joaquin County Fire...