Four people died and another 15 were injured in the Tuesday explosion at an Azpetrol gas station 130 kilometers south of Baku, the Azerbaijani Emergency Situations Ministry said. The fire sparked by the explosion burned seven vehicles and blasted a LNG truck. The fire spread onto the station's fuel tanks was prevented. A number of fire-fighting units and two helicopters of the Emergency Situations Ministry put out the fire, Itar-Tass reported.