The United Nations has warned of a “worsening” humanitarian situation in Yemen but said a fragile two-month truce since early April could help reverse the situation. “The worsening humanitarian crisis in Yemen is a reality that we need to urgently address,” UN humanitarian coordinator for Yemen, David Gressly, said in a statement released late Saturday. “Over 23 million people – or almost three-quarters of Yemen’s population – now need assistance… an increase of almost three million people from 2021,” he said. Gressly urged donors to take advantage of a UN-brokered truce that has largely hel…