Over 20 trapped after blast rocks canteen in China’s Chongqing

CHONGQING, Jan. 7 (Xinhua) -- More than 20 people were believed to have been trapped after a blast rocked a canteen of a subdistrict office in Wulong District, southwest China's Chongqing Municipality, on Friday noon. The accident took place at 12:10 p.m. due to suspected gas leakage which triggered the explosion and caused the collapse,…