dubai four supporters yemen former president ali abdullah saleh kill clash suppose ally houthi movement center capital sanaa wednesday party say fight around city main mosque complex underline deepen rifts arm group together confront saudi-led alliance three years war houthi fighters army units loyal saleh make common cause fan yemen 2015 weather thousands air strike launch neighbor saudi arabia ally fight briefly august vie influence capital yemen main population center rule official statement saleh general people congress party accuse houthi force try occupy part mosque site wednesday come political rally hundreds houthi fighters statement say break saleh mosque fire rpgs grenades inside mosque put regular guard siege say four saleh supporters die six guard wound complex build saleh bear name straddle major highway close presidential palace houthis statement say responsible every drop blood officials houthi group immediately available comment report gunbattles also report arab media two ally bitter foes saleh launch several war arm shi ite muslim religious movement 2011 arab spring protest force step form partnership fight saudi-backed internationally recognize government president abd-rabbu mansour hadi force political body ally establish continue rule yemen population center quarrel appointments policy mount saudi-led blockade spread economic pain help unleash hunger disease taha mutawakil houthi spiritual leader friday sermon blast saleh rule black days yemen call houthis declare economic state emergency seize assets saleh-aligned businessmen movement leader abdulmalik al-houthi appear direct unprecedented salvo pro-saleh officials speech saturday understand concept alliance partnership obstacle know rival part saleh general people congress party refer pro-houthi fighters cartoonish mercenary things early statement saudi arabia accuse houthis saleh frequently alliance proxies shi ite iran charge group tehran deny clash kill four yemen capital anti-saudi alliance fray