Guns and ammunition used by a South Sudanese ethnic militia that massacred a rival group earlier this year came from both the army and a rebel group, a report said on Thursday. Beginning late December a marauding column of some 8 000 armed youths from the Lou Nuer people marched on the remote town of Pibor, home to the rival Murle, whom they blame for cattle raiding and have vowed to exterminate. Analysis by the Small Arms Survey, a Swiss-based research group,... (GunPolicy.org)