British diplomats are safe after attack on evacuation convoy . The U.S. Embassy in London said it was "aware of the reports and is working with local authorities to investigate this incident. Libya is reaching a critical stage ' Fighting in Tripoli and Benghazi is the worst seen since the revolution that overthrew the regime of Moammar Gadhafi nearly three years ago . Dozens died in fighting in Benghazi on Saturday , reports say .
British diplomats are safe after attack on evacuation convoy . The U.S. Embassy in London said it was "aware of the reports and is working with local authorities to investigate this incident. Dozens died in fighting in Benghazi on Saturday , reports say .