Sofia, Rabi'I 11, 1438, Dec 10, 2016, SPA -- Five people were killed in northeastern Bulgaria following a gas explosion on a derailed tanker train early Saturday. Officials said at least 23 people were injured, many with severe burns. Nikolay Nikolov, who heads the country's firefighting department, said at least 20 buildings in the village of Hitrino were destroyed when containers of gas exploded at 5:40 a.m. local time (0340 GMT), AP reported. Two tank cars, carrying propane-butane and propylene, derailed at the station in Hitrino, hit electricity lines and exploded, police officials said. The engine driver survived and has been questioned, police said. Officials earlier had described the cargo as liquefied natural gas. --SPA 18:37 LOCAL TIME 15:37 GMT www.spa.gov.sa/w287393