TUNIS, March 18 (Reuters) - Libyan rebels attacked government positions near the western town of Nalut and the border with Tunisia on Friday morning, a rebel fighter said.
"From four in the morning (0200 GMT) we attacked two centres where Gaddafi's forces are positioned near the town of Nalut and close to the Tunisian border," a rebel fighter in Nalut told Reuters by phone.
Four government soldiers and one rebel figher were killed in the fighting, he said, adding the rebels had captured 18 soldiers.
The report could not be independently verified, but residents in Dhiba, which is on the Tunisian side of the border, said they had heard the sound of explosions coming from the Nalut region.
Nalut is about 60 km (35 miles) from the border. (Reporting by Tarek Amara; Editing by Matthew Jones)