this means. we've seen months of turmoil in yemen. the houthis mostly backed by iran. many say predominantly shia. efficient in sweeping across the country want booting out of sanaa, as we saw ourselves in januari. the government of president hadi. and then moving across the country, heading toward the southern port city of aden where president hadi was said to been hiding out. according to who you believe, may or may not still be there. the saudis anxious to see an iranian-backed group sweep to power. they have a leather border with yemen. they've always -- a lengthy border with yemen. they've always been concerned. they've been saying that air strikes began, what have been in the early hours of this morning in and around sanaa, explosions heard. and the saudis making it clear that they have the gulf nations, most of them, behind them here. they left qatar, kuwait, the