Islamabad, Rabi Al-Akhir 22, 1432, March 27, 2011, SPA -- Two workers were killed and five others injured as a result of a gas explosion that occurred this morning in a blast at a Coal Mine in ??Darra Adam Khel Province in the north-west Pakistan. An official of the Province's government administration said that the explosion occurred probably as a result of accumulation of methane gas inside the mine, pointing out that this resulted in causing injuries to seven workers; two of them died while being transported to a hospital in (the area). --SPA 13:41 LOCAL TIME 10:41 GMT www.spa.gov.sa/877803