Saudi Arabia says it is seeking clarification about an explosion that has killed at least 40 people in a camp for displaced people in Yemen.<br /><br /> Humanitarian workers say it appears an airstrike carried out by the Saudi-led coalition against Houthi militia was to blame.<br /><br /> Yemen’s foreign minister earlier blamed Houthi artillery for the blast, but the Saudi military says it is looking into what happened.<br /><br /> Saudi Arabia is leading a coalition of Sunni Muslim countries against Houthi fighters opposed to President Abd-Rabbu Manour Hadi.<br /><br /> Brigadier General Ahmed Asseri, a spokesman for the Saudi-led coalition, said:<br />“We confirmed from day one that we are working hard to avoid collateral damage.”<br /><br /> Iran, which is allied to the Houthi group, has condemned the airstrikes, but denies it is helping the militia.
