Libyan Oil Exports Interrupted, Output May Be Cut by Half

(Bloomberg) -- Sign up here to receive the Davos Diary, a special daily newsletter that will run from Jan. 20-24.Oil shipments were halted from at least three ports in Libya, according to people familiar with the matter, as the National Oil Corp. warned that planned stoppages could cut more than half of the nation’s crude output.Exports have been frozen at Ras Lanuf, Sidra and Brega, the people said, a day before members of the North African’s country’s warring factions are due