Italian officials say the death toll from a train explosion in Tuscany has risen to 19, with 25 people injured.
Premier Silvio Berlusconi says 11 of the injured are in very serious condition.
A train carrying liquefied gas derailed around midnight Monday in the seaside town of Viareggio, setting off a massive explosion that consumed nearby homes.
The Viareggio health director Giancarlo Sassoli says only 10 of the dead have been identified.
Berlusconi said Thursday the government will investigate whether the international rules governing the rail transport of such highly flammable materials needed to be changed.
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