Libya's UN-recognised government forces seized control of a strategic town and city near the capital Tripoli from militias loyal to warlord Khalifa Haftar.
Libya's internationally recognised government said on Monday its forces had seized two coastal cities between Tripoli and the Tunisian border from troops backing the warlord Khalifa Haftar.
"Our forces took control of Sorman and Sabratha and are pursuing (Haftar's forces)," said a statement by Mohammed Gnunu, spokesman for the forces of the United Nations-recognised Government of National Accord.
Control of war-torn Libya is largely divided between pro-GNA forces and those of eastern-based Haftar, who launched an offensive to try to capture the capital on April 4 last year.
On their Facebook page, GNA forces published images of Grad rocket launchers, 10 tanks and armoured vehicles they said they had captured in the cities, which had been controlled by militias allied with Haftar.
Mohammad al Gammoudi, a GNA commander on the ground, said Sorman and Sabratha had been seized after "six hours of fighting with air cover."
GNA chief Fayez al Sarraj also said his forces had taken the cities.
GNA military spokesman also announced late Monday that it has regained control of around 2,000 square miles of land west of the capital Tripoli.
An armory, large amount of ammunition and military equipment belonging to Egypt and the United Arab Emirates were also seized, the spokesman added.
Haftar's forces did not immediately comment.
Libya has suffered almost a decade of conflict since longtime dictator Muammar Gaddafi was brought down and killed in a 2011 uprising backed by several Western powers.
France, Russia, the United Arab Emirates, and others have fuelled fighting in the oil-rich but impoverished North African country.
The UN says hundreds have been killed and over 200,000 displaced since Haftar launched his battle for Tripoli.
Several UN-backed attempts to reach a ceasefire have failed and the UN has slammed repeated violations of a 2011 weapons embargo.
On March 17, the world body and nine countries called on Libya's warring parties to cease hostilities to allow health authorities to fight against the new coronavirus.
The GNA and Haftar's forces welcomed calls for a humanitarian pause, but the GNA said it reserved "the right to respond to daily assaults targeting civilians and public facilities."
Repeated UN efforts to mediate a ceasefire have yielded few results and have been on hold since envoy Ghassan Salame quit in early March, citing health reasons.
Former Algerian foreign minister Ramtane Lamamra had appeared set to take up the post but the United States refused to endorse him, diplomats said.
On Saturday, the UN's humanitarian coordinator for the country said water had been cut off to millions of residents of Tripoli and surroundings in an "abhorrent" act of collective punishment.
The water supply was disrupted by members of an armed group in an area 350 km southeast of Tripoli under control of pro-Haftar forces who are demanding the release of family members detained in Tripoli.