'Attack' on arms depot in Libya's Ajdabiya

Opposition fighters in the town of Ajdabiya says government forces have bombed armed depots taken over by the opposition.

Battles are also raging in other cities taken over by those trying to bring the Libyan leader down.

meanwhile, the Libyan leader remains defiant, scoffing at suggestions the uprising is threatening his rule.

Al Jazeera's Dan Nolan reports on the latest developments.