UPDATE 1-Libya's Waha resumes small volume of Es Sider crude oil production
August 28, 2014 at 10:16 AM EDT
LONDON/BENGHAZI, Aug 28 (Reuters) - Libya's Waha Oil Co. has resumed a small volume of Es Sider crude oil production, a senior Libyan oil official said on Thursday in the latest sign that output is improving despite unrest in the country.