Hopes fading for four missing after deadly blast at Italian hydroelectric plant

The explosion happened at a hydroelectric plant close to the city of Bologna (Antonio Calanni/AP)
Search and rescue operations are continuing at a hydroelectric plant close to the northern Italian city of Bologna a day after a devastating blast killed at least three workers, injured five and left four missing.
“We are working, but with a few hopes of finding missing people alive,” said Luca Cari, a spokesperson for Italian firefighters.