US probes Ford F-150 fires possibly caused by seat belts

DETROIT — U.S. safety investigators are looking into complaints of fires that may have been caused by the seat belts in Ford F-150 pickup trucks.The investigation covers trucks from 2015 through 2018. Ford sold about 2 million F-150s during those years.The National Highway Traffic Safety Administration is investigating five complaints that fires began in the trucks after seat belt pretensioners made by ZF-TRW or Takata were activated. Pretensioners prepare seat belts to gradually restrain