At least three workers were injured in an early morning explosion on Wednesday that sparked a blaze at a Texas petrochemical plant, the latest in a series of chemical plant accidents in the region. An initial explosion at a TPC Group complex in Port Neches, Texas, was followed by secondary blasts, shattering windows, blowing locked doors off their hinges and prompting officials to evacuate homes within a half-mile radius of the facility, which about 90 miles east of Houston.
