<span style="color: #222222;">The UN aid chief today said, at least 22 children and four women were killed by a Saudi-led coalition air strike in Yemen.</span><br />'' <span style="color: #222222;">Mark Lowcock, the UN under secretary-general for humanitarian affairs condemned the attacks on civilians. The victims were fleeing fighting in the al-Durayhimi district, south of the port city of Hudaydah, when their vehicle was hit on Thursday. <br />''A separate air strike the same day killed four children, according to the UN's humanitarian chief.</span><br />'' <span style="color: #222222;"> </span><br />