Yemeni security forces have opened fire on a protest march in the capital Sanaa, wounding at least 22 people.
Doctors say some 200 demonstrators suffered tear gas inhalation during clashes as anti-government protesters marched outside their stronghold close to Sanaa University.
Hundreds of thousands took part in the latest demonstration to demand the resignation of President Ali Abdullah Saleh after 32 years in power.
Many women took to the streets furious at Saleh’s comments that their actions were anti-Islamic.
An opposition delegation has been in Saudi Arabia to try to find a solution to the mounting chaos.
Saudi Arabia and the United States fear a continued standoff could spark violence between rival military units and benefit the active al-Qaeda cell at work in the poverty stricken country.