Blow to Libya unity govt as Tripoli rival refuses to cede power

Libya's new unity government was thrown into chaos, as the head of its rival Tripoli-based authority refused to cede power. Contradicting an earlier announcement that his so-called National Salvation Government was ready to step aside, Tripoli's unrecognised prime minister Khalifa Ghweil urged his ministers not to stand down. The move derails a United Nations push to end the instability that has ripped Libya apart for five years, the day before its envoy Martin Kobler reports to the Security Cou