On Monday, the coalition shut air, land and sea routes into Yemen after Houthi rebels fired a missile that was intercepted near the Saudi capital, Riyadh. U.N. aid chief Mark Lowcock warned that if the blockade is not lifted, the resulting famine will claim millions of lives. He was speaking to reporters after a briefing at the Security Council. The World Food Program said that out of Yemen’s population of 28 million people, about 20 million, quote, “do not know where they’re going to get their next meal.” Meanwhile, medical experts warn the clampdown will worsen Yemen’s cholera epidemic, which has sickened more than 900,000 people. More here.