Six cars carrying fuel ignited after a collision with a truck, officials say Firefighters in Russia’s Smolensk Region are responding to a train derailment, in which six cars carrying fuel caught fire, according to the Emergencies Ministry.The incident happened at a road crossing some 45 km west of Smolensk on the railroad leading to Vitebsk, Belarus, when the freight train collided with a truck, the statement said.Ten fire trucks as well as a specialized firefighting train have responded to the blaze, according to officials.