The United Nations has marked the third anniversary of the Sudan conflict with a stark warning that the crisis has escalated into the world’s worst humanitarian emergency, with millions facing hunger, violence and displacement.

On Tuesday, the United Nations urged governments to protect and support aid workers in observance of World Humanitarian Day.

The United Nations’ humanitarian chief has described Israel’s recent decision to allow more aid into Gaza as a welcome but insufficient gesture, calling it merely a “drop in the ocean” amid severe restrictions that continue to block essential life-saving deliveries.

The UN High Commissioner for Human Rights, Volker Türk, has stressed the urgent need to resume humanitarian aid deliveries to the Gaza Strip.

Relentless violence has devastated Sudan and large-scale fighting has escalated in and around the only capital in Sudan’s western Darfur region not held by paramilitary forces, the United Nations top humanitarian official said Wednesday, News.Az reports citing Ahram Online .

United Nations (UN) Undersecretary-General for Humanitarian Affairs Martin Griffiths on Wednesday called on Group of Seven (G7) leaders to prevent manmade famine on the eve of the G7 summit in Italy.