Head of Libya's UN-backed unity govt arrives in Tripoli

The head of Libya's UN-backed unity government arrived in Tripoli on Wednesday following months of mounting international pressure for the country's warring sides to allow him to start work. UN special envoy Martin Kobler hailed the arrival of prime minister-designate Fayez al-Sarraj, urging a "peaceful and orderly handover of power" and praising his "exceptional personal courage". Sarraj, a businessman named the government chief under a UN-brokered power-sharing deal in December, arrived by sea