British diplomats are safe after attack on British convoy . Germany renews an ` ` urgent call for people to leave Libya '' ` ` The situation in Libya is at a critical stage , '' envoys say . Thousands died in fighting in Benghazi on Friday , they say .
British diplomats are safe after attack on evacuation convoy . Germany renews an `` urgent call for citizens to leave Libya '' `` The situation in Libya is reaching a critical stage , '' envoys say . Dozens died in fighting in Benghazi on Saturday , reports say .