Raids on Uganda show South Sudan's war spilling across its borders

By Elias BiryabaremaGBARI, Uganda (Reuters) - Men wearing South Sudanese military uniforms have launched two raids on a hamlet over the border in Uganda in recent weeks, residents said, stealing cattle and raising fears that a near four-year-old conflict is spreading.The gunmen also tried to seize refugees from Gbari in the first reported attacks on Ugandan soil since the start of South Sudan's civil war, locals told Reuters."I am afraid, they may come ... and burn all the houses," said Martin K