Children use guns discarded by DR Congo army, as M23 rebels advance in south of Bukavu - A leader of Congo's rebels vows to fight on - Congolese troops retake control of city of Bukavu -- presidency - Rwanda-backed rebels advance and Congolese forces retreat from eastern Congo's second largest city - The DR Congo rebel leader whose fighters have created turmoil - DR Congo's army slows M23 rebels' southern march - Crisis in the DRC: In Goma with the victims of the war between the M23 and the Congolese army - Congolese army fights to repel Rwanda-backed rebels in fighting that has killed some 700 people - Over 1,000 wounded in east DR Congo hostilities - Congo's leader calls for massive military mobilization as Rwanda-backed rebels expand their control