West Sumatra (West Sumatra) Police have examined 11 witnesses related to the explosion of a coal mine pit belonging to PT Nusa Alam Lestari (NAL) in Sawahlunto City. The incident resulted in 10 mining workers being killed and four injured.
"The eleven witnesses who have been questioned by investigators come from internal PT NAL," said Head of Public Relations of the West Sumatra Police, Police Commissioner Dwi Sulistyawan in Padang, West Sumatra, Thursday, December 15, confiscated by Antara.
He said that of the 11 witnesses, the highest position examined was the Head of Mining Engineering of PT NAL. There were also three survivors who had returned home after receiving treatment at the hospital.
According to Dwi, the results of the preliminary examination by the witnesses stated that the explosion in the mine pit was due to high gas met with sparks.
Ia mengatakan, api itu berasal dari spark alat untuk jack forward atau alat yang merontokkan batu bara di dalam ruang.
At this time, the equipment is still locked in a coal mine hole so that the police together with the Ministry of Energy and Mineral Resources will enter to pick it up.
"Of course with their adequate tools (ESDM), but they can't because there are still obstacles," he said.
"At this time there is no potential suspect from the witnesses who have been examined, including witnesses who have not been examined at the high level or the director of PT NAL," he continued.
A mine hole belonging to PT NAL exploded on Friday, December 8, 2022, at around 08.30 WIB which resulted in 10 workers dying and four other workers being injured.
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