The Washington Post reports: The International Committee of the Red Cross said Tuesday it was unable to get clearance to ship chlorine tablets used to prevent cholera from Saudi Arabia into Yemen, where a massive outbreak of the disease has affected more than 900,000 people.

Saudi Arabia announced Monday it was temporarily closing all of Yemen’s ground, sea and airports in retaliation for a missile strike on the Saudi capital carried out last week by a rebel group in Yemen. The Saudi government had vowed it would “take into consideration” the delivery of humanitarian aid supplies.

The United Nations on Tuesday urged the Saudi authorities to reopen the air and sea ports, fearing the blockade would sharply exacerbate an already dire humanitarian crisis in a country that has suffered through more than two years of a civil war, according to Reuters news agency.

In addition to the cholera epidemic, roughly 7 million Yemenis are on the brink of famine, aid workers said.

The blockade was part of the continuing fallout from an escalating confrontation between regional rivals Saudi Arabia and Iran that has reverberated across the Middle East in recent days, but landed especially hard on Yemen, the Arab world’s poorest country. [Continue reading…]