Oil well exploded in the Village of Pasir Putih, Kecamatan Ranto Acknowledged, the Regency of East Aceh. Police suspect the incident that killed 10 people was triggered by cigarette butts thrown indiscriminately.Deputy East Aceh police chief Apriadi said the incident began at around 01.00 PM, Wednesday (25/4). He said the source of the explosion did not come from a spark of fire in the well pipe.According to him, the oil that comes out of the well is also flowing into the trench. That's when allegedly adawarga who throw cigarette butts into the gutter so fire easily grabbed and enlarged.