Mineral Resources Minister Gwede Mantashe is expected to pay a visit to the Gloria coal mine near Middelburg, Mpumalanga, where 22 alleged copper thieves have been trapped and are believed dead following an explosion at the beginning of February. A group of 42 men, reportedly Lesotho nationals, gained access to shafts at the Gloria coal mine near Middelburg in Mpumalanga on February 1, allegedly to steal copper cables.News24 reported that following a gas explosion, 20 members of the group …