The Houthis are backed by Iran but have been Mr Saleh's allies against the internationally-recognised government since 2014.
Xuutiyiinta waxaa taageerta Iiraan, waxayna jaal la ahaayeen xoogagga Mr Saalax oo ay ka wada hor jeedeen xukuumadda caalamku aqoonsan yahay ee madaxweyne Cabdurabbuh Mansuur Haadi tan iyo 2014.