An Arab military coalition invaded Yemen’s main Red Sea port on Wednesday, threatening to worsen what is already the world’s most severe humanitarian disaster by disrupting the pipeline that millions of Yemenis rely on for food and other supplies. The air and ground attack by forces loyal to Saudi Arabia and the United Arab Emirates was aimed at tipping the balance in Yemen’s long-running civil war and driving Iranian-backed rebels out of the port of Hudaydah. But sustained fighting there could produce one of the bloodiest urban battles of the war, deepening what is already a catastrophic humanitarian situation. After years of war, eight million of Yemen’s estimated 28 million people are at risk of starvation , according to the United Nations and […]