NEW : `` Little chance '' seen for four missing miners , an official says . By Reuters and AFP Updated at 6:45 p.m. 28 bodies have been recovered , official says . Islamabad , Pakistan ( CNN ) -- Methane gas explodes in a coal mine near Quetta in Pakistan .
NEW : `` Little chance '' seen for four missing miners , an official says . By Reuters and AFP Updated at 6:45 p.m. 28 bodies have been recovered , official says . Methane gas explodes in a coal mine near Quetta in Pakistan .