Yemen separatists on Sunday declared self-governance of the war-torn country's south, as the peace deal with the government crumbled, complicating its long conflict with the Iran-backed Huthi rebels who control much of the north. The Southern Transitional Council accused the government of failing to perform its duties and of "conspiring" against the southern cause, and said self-governance had begun at midnight. mou-faw-sy/sls/mtp