Demonstrators have interrupted loading of an oil tanker and taken over the control room at Libya’s biggest crude terminal, as a fresh wave of protests across the nation’s ports threaten to derail months of stability in the OPEC member’s production and exports. Protesters calling for the dismissal of Mustafa Sanalla, state-run National Oil Corp.’s chief, have prevented Suezmax tanker Yannis P from loading, according to three people with knowledge of the matter who asked not to be identified because of lack of authorization to speak to media. They have also commandeered a control room at the Es Sider terminal, which processes 300,000 barrels of crude a day. Officials at the NOC were not immediately available to comment. There have been frequent protests at Libya’s main oil fields over […]