Egypt lifts nightly curfew after four months
Gulf states renew offer to mediate in Yemen
Greece's rating is slashed making default likely
NATO-led forces resume airstrikes on Tripoli
Tunisia to try ex-president Ben Ali in absentia
Gaddafi takes on chess world champion
Jordan denies attack on King's motorcade
Somali president confirms Al Qaeda member's death
Thousands rally in Libya as Gaddafi clings to power