At least two people were killed and four are missing following an explosion Monday at a gas refinery near the Italian city of Florence, according to local authorities.

The cause of the blast at the depot in the town of Calenzano was under investigation. The flames were quickly contained, preventing the fire from spreading to storage tanks from a

The death toll from a massive explosion at a fuel depot in central Italy rose to five after the body of the last missing worker was found, Italian authorities confirmed.