Awwal 18, 1432, 2011, SPA -- A suicide bomber in the northern province of Kunduz killed at least 20 people and injured dozens inside a government building, an official said Monday. The attacker detonated his explosives in the Imam Sahib district headquarters, killing and injuring at least 50 people, said the official. Provincial police chief Abdul Rahman Sayedkhili said 20 people were killed, according to a report of the German Press Agency "DPA".