The exodus of millions of Ukrainians from their country following the Russian invasion could overwhelm neighbouring countries, UN humanitarians warned on Wednesday, as the head of the UN Children’s Fund, expressed her horror over the reported destruction of a maternity hospital in the stricken coastal city of Mariupol, which has been under heavy bombardment for days.

As wildfires spread north, UN agencies race to help Europe adapt
Central Park adapts to climate change while helping New York stay cool
UN aims to raise nearly $50 million for Nepal flood response
West Bank: UN rights report warns of forcible displacement from three refugee camps
UN tells the world: Stop making Africa look small
Repeated attacks on humanitarian warehouses put vital medical aid at risk in Ukraine: WHO