Houthi fighters in Yemen have accepted a five-day cease fire but warned they would respond to any violations.<br /><br /> Saudi Arabia proposed the truce after US Secretary of State John Kerry appealed for a pause in the fighting to allow humanitarian aid into the battle-weary country.<br /><br /> Loud explosions were heard on Sunday morning as Saudi-led forces conducted air raids <br />targeting the home of former Yemeni President Ali Abdullah Saleh, loyal to the Iran-allied Houthis. <br /><br /> Other strikes targeted Sanaa airport’s runway, a Yemini official there said, and Houthi targets in the Sadda district of Ibb in central Yemen, residents there said.<br /><br /> Continutes below<br /><br /> Families now live in the open air in Abs district of Hajjah governorate, Yemen, after fleeing because of the conflict pic.twitter.com/qGAplX31Vk— UN Refugee Agency (@Refugees) May 9, 2015<br /><br /> Breach of humanitarian law, says UN<br /><br /> Meanwhile the United Nations Humanitarian Coordinator for Yemen said Saudi-led airstrikes on Saada city, where many
