With nearly 19 million people in need of humanitarian or protection assistance, including over 10 million who require immediate assistance to save or sustain their lives, #Yemen is the largest humanitarian crisis in the world. Women and children are among the most vulnerable in this acute, complex emergency. Tomorrow, 25 April, the United Nations and the governments of Sweden and Switzerland will convene a High-Level Pledging Event for the Humanitarian Crisis in Yemen, in Geneva. Watch this vide