Passport control at the Tunisian-Libyan border. Bangladeshi workers enter Tunisia. Thousands of people are still waiting to be admitted into Tunisia, resulting in chaos at the frontier. In recent days an estimated 70,000 refugees have crossed into Tunisia fleeing the hostilities in Libya and raising the spectre of a humanitarian crisis at the border. On 17 February 2011 Libya saw the beginnings of a revolution against the 41 year regime of Col Muammar Gaddafi.