The Hasabah area in the capital Sanaa was the scene of fierce clashes between security forces and fighters loyal to a powerful tribal chief opposed to president Ali Abdallah Saleh.<br /><br />Many people were killed and injured in the fighting.<br /><br />Elsewhere in the capital, young activists continue to vent their frustrations with the rulership. They demand that the president be tried for crimes committed against his people.<br /><br />A Jazeera's Hashem Ahelbarra reports.