In Yemen air strikes by Saudi-led forces have resumed against Houthi rebel positions in the southern city of Aden after a five-day humanitarian truce expired.<br /><br /> This comes as Iran’s Foreign Minister Mohammad Javad Zarif called on the UN to take a more active role, including establishing a presence on the ground to ensure that humanitarian aid could be distributed.<br /><br /> “The targets in most areas have been civilian areas and it is regrettable that that has continued,” he said.<br /><br /> “It is also regrettable that humanitarian assistance has failed to reach the people of Yemen who are in dire need of humanitarian assistance.”<br /><br /> Saudi Arabia and its Sunni Muslim allies have been fighting the Houthis and units loyal to former Yemeni president Ali Abdullah Saleh for more than six weeks.<br /><br /> They say the rebels are backed by Shi’ite Muslim power Iran, an allegation Tehran denies.<br /><br /> A five-day truce began on Tuesday night to allow humanitarian aid into Yemen.<br /><br /> Although the airstrikes were halted many p
