French say they destroyed Libyan aircraft in Misrata . Explosion in Tripoli ; plane heard . Comment: U.S. President Barack Obama defended America 's leadership in the international coalition in his weekly radio address Saturday . ` Rebel forces took control of Ajdabiya overnight .
French say they destroyed Libyan aircraft in Misrata . Explosion in Tripoli ; plane heard . Comment: Rebel forces took control of Ajdabiya overnight .