A major demonstration Social_event of over 16,000 protesters took place Process_start in Sanaʽa , Yemen 's capital , on 27 January .

On 3 February , 20,000 people protested against the government in Sanaʽa , while others protested in Aden , a southern Yemeni seaport city , in a `` Day of Rage '' called for by Tawakel Karman , while soldiers , armed members of the General People 's Congress and many protesters held Defending a pro-government rally in Sanaʽa .

On 3 February , 20,000 people protested against the government in Sanaʽa , while others protested in Aden , a southern Yemeni seaport city , in a `` Day of Rage '' called for by Tawakel Karman , while soldiers , armed members of the General People 's Congress and many protesters held Defending a pro-government rally in Sanaʽa .

In a `` Friday of Anger '' on 18 February , tens of thousands of Yemenis took part in anti-government demonstrations in Taiz , Sanaʽa and Aden .

On a `` Friday of No Return '' on 11 March , protesters called Request for Saleh 's ousting in Sanaʽa where three people were killed Killing .

On 18 March , protesters in Sanaʽa were fired Use_firearm upon , resulting in 52 deaths Death and ultimately culminating Self_motion in mass defections and resignations .

On 23 May , a day after Saleh refused Agree_or_refuse_to_act to sign Sign_agreement the transition agreement , Sheikh Sadiq al-Ahmar , the head of the Hashid tribal federation , one of the most powerful tribes in the country , declared Expressing_publicly support Supporting for the opposition and his armed Bearing_arms supporters came into conflict Hostile_encounter with loyalist security forces in the capital Sanaʽa .