World bodies meet this week to consider how to respond to the escalating violence in Libya. The European Union is to hold a special summit about Libya on Friday. The Arab League announced today that it will hold an emergency meeting in Cairo on Friday to discuss developments in Libya. Meanwhile, the head of the Gulf Cooperation Council has condemned killings by Libya's pro-government forces as massacres. At a meeting late yesterday in Abu Dhabi, the GCC secretary-general said the assaults against Libyan citizens amounted to crimes against humanity. The grouping of gulf Arab states also urged the U.N. Security Council to establish a no-fly zone over Libya.