RAS JDIR, TUNISIA - MARCH 16:  Sudanese men protest on the road through a United Nations displacement camp on March 16, 2011 in Ras Jdir, Tunisia. As fighting continues in and around the Libyan capital of Tripoli, tens of thousands of guest workers including men, women and children from Egypt, Tunisia, Bangladesh, Sudan and other countries continue to flee to the border of Tunisia. The situation has turned into a humanitarian emergency as Tunisia is overwhelmed with the workers. Libyan leader Muammar Gaddafi has vowed to fight to the end.  (Photo by Dan Kitwood/Getty Images)