article_snippet.sent: AQAP referred to Al-Houthi and former Yemeni President Ali Abdullah Saleh as the "two heads of evil.
article_snippet.sent: AQAP is one of several factions fighting to control Yemen.
article_snippet.sent: With Sunni Islamic roots, AQAP is a bitter enemy of the Houthi faction, which is Shia and widely believed to be supported by Iran.
article_snippet.sent: Yemen has been descending into chaos in the weeks since Al-Houthi rebels -- minority Shiites who have long complained of being marginalized in Yemen -- forced Yemeni President Abdu Rabu Mansour Hadi from power in January.
article_snippet.sent: The Houthis, allied with fighters loyal to former Yemeni President Ali Abdullah Saleh, have since faced resistance from not only AQAP, but also a number of groups including forces loyal to Yemeni President Abdu Rabu Mansour Hadi.
article_snippet.sent: Also opposing The Houthis are Saudi Arabia and other predominantly Sunni nations, which last month began airstrikes against Houthi rebels -- minority Shiites who have long complained of being marginalized in the majority Sunni country.