Libyan armed factions accused each other on Monday of launching new attacks near the country’s largest oil port, Es Sider.

Two opposing governments — the internationally recognized authorities in the east and rivals who have seized the capital Tripoli — are fighting for control of the country.

Troops loyal to the government in Tripoli launched an offensive last month to try to take Es Sider and Ras Lanuf oil ports, which have had to shut down operations. Both sides declared partial ceasefires in the past few days to give a U.N.-sponsored dialogue a chance after a month of clashes. […]