Report: Series of failures led to deadly leak at Texas plant
(World News USA)

HOUSTON (AP) - A series of failures, including flawed equipment and inadequate safeguards, helped cause a 2014 poisonous gas leak that killed four workers at a Houston-area chemical plant, according to a federal agency's final report on the deadly accident. Four employees at the now-closed DuPont chemical plant in LaPorte, Texas, died in the release of methyl mercaptan - a chemical used ......