Al Jazeera's Cal Perry updates from Ajdabiya

Six blasts were heard in Libya's capital on Sunday night as planes flew overhead. These are likely to be new NATO air strikes, by as yet we have had no reports of damage.

Earlier, Russia warned that NATO is 'one step' away from sending ground troops into the country, after French and British attack helicopters joined the battle.

Al Jazeera's Cal Perry has spent some time with opposition forces in Ajdabiya.