Foreign powers agreed at a summit in Berlin on Sunday to shore up a shaky ceasefire in Libya, but the meeting was overshadowed by blockades of oilfields by forces loyal to commander Khalifa Haftar that could cripple the country’s crude production. Haftar, whose self-styled Libyan National Army (LNA) is bearing down on the capital, Tripoli, with the backing of Egypt, the United Arab Emirates, Russian mercenaries and African troops, attended the one-day summit in the German capital despite having abandoned talks over a truce last week. Turkey has rushed troops to Tripoli, as well as Turkish-backed fighters from Syria, to help Libya’s internationally recognized government of Prime Minister Fayez al-Serraj resist eastern commander Haftar’s assault. Libya has had no stable central authority since dictator Muammar Gaddafi was overthrown by NATO-backed rebels in 2011. For more than five years, it has had two rival governments, in the […]