BERLIN (Reuters) - Countries struggled at an international peace summit for Libya struggled on Sunday to draw eastern military commander Khalifa Haftar back into diplomacy, days after he quit talks and more than half of Libya's oil output was shut in areas he controls.

CAIRO (Reuters) - Eastern Libyan forces commander Khalifa Haftar arrived in Berlin on Saturday for a summit that will take place on Sunday, Libyan al-hadath tv announced on their twitter account.