A Wisconsin company says a fourth worker has died after an explosion at its corn milling plant. Didion Milling released a statement saying 46-year-old Angel Reyes died Tuesday at the University of Wisconsin Hospital in Madison. The company says Reyes was a pack operator at the plant and died from injuries he suffered in the explosion last week. The blast and fire destroyed the corn milling plant in Cambria, a community about 45 miles northeast of Madison. The bodies of three other workers were recovered from the rubble.