Africa Union peacekeeping soldiers take strategic positions to quell street violence in neighbourhoods in the Central African Republic's capital Bangui December 20, 2013. Christian militia attacked Muslim neighbourhoods in the capital of the Central African Republic on Friday, as France appealed to European partners for assistance in quelling months of religious violence in its former colony. REUTERS/Andreea Campeanu (CENTRAL AFRICAN REPUBLIC - Tags: CIVIL UNREST POLITICS MILITARY)