Somali government troops fight against Islamic rebel groups alongside an African Union Mission to Somalia (AMISOM) peacekeepers in a tank in the north of the capital Mogadishu, March 11, 2010. The death toll from fighting on Wednesday and Thursday in Somalia's capital between government forces and al Shabaab rebels has risen to 54, a human rights group and ambulance services said on Thursday. REUTERS/Feisal Omar (SOMALIA - Tags: CIVIL UNREST MILITARY)