By bne Tehran bureau A methane gas explosion in a coal mine in Tabas County of Iran’s South Khorasan Province on the evening of September 21 resulted in 52 deaths and 17 injuries, according to local officials. Interior Minister Eskandar Momeni travelled to Tabas to investigate the recent coal mine explosion, according to reports from Entekhab. The blast at the Madanjo Coal Mining Company was due to a ‘sudden release of methane gas’, the minister said. At the time of the incident, 69 workers were present in Blocks C and B of the mine, he added. Rescue operations are currently underway, with eig…