In Tripoli, many foreign workers say thay are being assaulted and illegally detained. Some are accused of being Muammar Gaddafi supporters and mercenaries. Others live in makeshift camps, hiding from men with weapons, without knowing whether their attackers are Gaddafi's loyalists or rebel fighters.

Al Jazeera's James Bays has this exclusive report, including an interview with MSF South Africa's Jonathan Whittall, Head of Mission for the Tripoli activities. Watch report here.