Martyrs’ Day protest in Tunisia

Tunisian doctor and human rights defender Amna Mnif, center, is among the protesters who showed up Monday for a Martyrs’ Day rally in Tunisia’s capital Tunis, despite a ban on demonstrations there. (Fethi Belaid, AFP/Getty Images)

April 9, 2012 7:53 AM PT

Police fired tear gas on Monday to disperse a Martyrs’ Day rally along a boulevard in Tunis where demonstrations are banned.

Police fired tear gas during clashes with protesters in Tunis. (Fethi Belaid, AFP/Getty Images)

A woman shouts at police during the demonstration marking Martyrs’ Day, when French colonial troops in 1938 open fired on demonstrators calling for a constitution. (Fethi Belaid, AFP/Getty Images)

About 2,000 people, including many allied with civil society organizations and labor unions, joined the Martyrs’ Day rally in Tunis. (Fethi Belaid, AFP/Getty Images)