A train derailment in Smithville early on Sunday morning shut down roads for a few hours and temporarily caused concerns about hazardous chemical leaks.At about 5 a.m. on Sunday morning, a Union Pacific train with hazardous cargo derailed at State Highway 95 and Martin Luther King Drive. No one was injured, and the tanker cars were empty but some contained residual hydrochloric acid that was leaking, according to announcements from the City of Smithville.The Smithville Volunteer Fire Department and Smithville Police Department set up a safe perimeter 150 yards from the train as Union Pacific hazmat teams were on the ...