Daniel Noboa Azín is the youngest president in Ecuador’s history and faces immediate challenges in tackling the country’s grave economic and security crises.

If Western allies fail to send Ukraine the weapons it needs, the odds increase of the war dragging on indefinitely, at a terrible cost to both Ukraine and Russia and a growing risk to the wider world…

Ukraine remains intent on wresting Crimea back from Russia, but doing so would be difficult, and the peninsula could become a bargaining chip in future diplomatic talks.

Low water levels have led to a traffic jam at one of the world’s busiest maritime passages. The bottleneck demonstrates how accelerating climate change is threatening global supply chains.