The passengers included Cause_to_be_included the United States Ambassador to Yemen Barbara Bodine , US Deputy Chief of Mission to Yemen , and the Yemeni Ambassador to the US .

The protesters ' demands Request then escalated Cause_change_of_strength to calls for the resignation Change_of_leadership of Yemeni President Ali Abdullah Saleh .

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 .

The crowds celebrated Social_event Saleh 's transfer of power , but Yemeni officials insisted Statement that Saleh 's absence Presence was temporary and he would soon return to Yemen to resume his duties of office .

Large-scale conflicts Violence resulted Causation : the Syrian Civil War Military_operation ; the Iraqi insurgency Change_of_leadership and the following civil war Military_operation ; the Egyptian Crisis Influence , coup Change_of_leadership , and subsequent unrest Violence and insurgency Change_of_leadership ; the Libyan Civil War Military_operation ; and the Yemeni Crisis Influence and following civil war Military_operation .

The Al-Qaeda insurgency Hostile_encounter in Yemen refers Name_conferral to the armed conflict between the Yemeni government with United States assistance , and al-Qaeda-affiliated cells .

Fighting Hostile_encounter with al-Qaeda escalated Cause_change_of_strength during the course of the 2011 Yemeni revolution , with Jihadists seizing Hold most of the Abyan Governorate and declaring Expressing_publicly it an Emirate at the close of March .

The surprising Change_sentiment removal Removing of Sallal on November 5 by Yemeni dissidents , supported Supporting by republican tribesmen , resulted in Causation an internal shift Change of power in the capital , while the royalists approached Arriving it from the north .