A gas tanker exploded in Baghdad on Saturday night killing at least nine people and injuring 13 others, security forces said, adding that it was an accident. The explosion, heard across much of Iraq’s capital, was in a car park near a football field in a residential area of eastern Baghdad. “Nine civilians were killed and 13 injured” when the tanker exploded, the commander of security forces in Baghdad, Ahmad Salim, said in a statement. “The explosion is an accident and not an act of terrorism,” he added. A medical source told AFP 12 were killed. Another medical source had previously told AFP …