4 dead, 3 missing in power station blast

(ANSA) - ROME, APR 9 - Four men are dead and three missing after an explosion and fire at a hydroelectric power station in the mountains above Bologna on Tuesday, local sources said.
    Another five workers are injured while three are unhurt after the Lake Suviana reservoir disaster.
    Firemen said they were having trouble getting into the site.
    The explosion is believed to have happened during maintenance work at the plant, whose construction was begun 100 years ago.
    (ANSA).