Italian media report workers injured and missing in explosion at hydroelectric plant near Bologna

MILAN (AP) — Italian media are reporting that an explosion at a hydroelectric plant Tuesday in the Apennine Mountains south of Bologna has left at least four workers with burns and another six reported missing.  The explosion occurred at the hydroelectric plant at the Suviana Dam, some 70 kilometers ( 40 miles) southwest of Bologna. Police and firefighters are responding. The mayor of the nearby town of Camugnano, Marco Masinara, said the explosion happened nine levels below ground during work on turbines. According to the daily il Resto di Carlino, the mayor indicated difficulties in reaching the victims.