A 12-year-old boy rests in a bed at the Heal Africa hospital after his arm was amputated following a shrapnel wound during heavy fighting between the Congolese army and M23 rebels in Goma, Congo, on Tuesday. (Associated Press)

A 12-year-old boy rests in a bed at the Heal Africa hospital after his arm was amputated following a shrapnel wound during heavy fighting between the Congolese army and M23 rebels in Goma, Congo, on Tuesday. (Associated Press)