In Libya , pro-government troops intensified shelling in the rebel-held city of Misurata on Monday, a fierce battle is also reported from the eastern frontline. A pitched battle is on for control of the country's third-largest city Misurata. The city had come under heavy artillery attack from pro-government troops, 17 people were reported killed on Sunday.There was also no let up in the offensive on the rebels eastern frontline outpost of Ajdabiyah, being used by the rebel forces as a staging post to regain the strategic oil port of Brega. Western media reports said, rebels fought off an attack by government troops in Ajdabiya on Sunday, a day after retreating from the eastern frontline of Brega.