Islamic State militants attack forces guarding Libya oil port: official

Islamic State militants attacked forces guarding one of Libya's main oil ports on Thursday with a gun assault and an attempted car bomb in an escalation of their campaign in the North African state, a local security official said. Islamic State has gained ground in Libya where two rival governments -- one internationally recognized and the other self-declared -- are battling for control, leaving a security vacuum four years after the uprising toppled Muammar Gaddafi. Militants attacked guards at