Protesters walk through tear gas during clashes in Siliana, northwest of Tunis

 
Protesters walk through tear gas during clashes in Siliana, northwest of Tunis
Protesters walk through tear gas during clashes in Siliana, northwest of Tunis December 1, 2012. Tunisian security forces fired tear gas and live rounds in the air on Saturday to try to disperse several thousand protesters in the town that has seen days of clashes this week over economic problems in the North African state. REUTERS/Mohamed Amine ben Aziza