World News in Brief: Peace day, high seas treaty, Palestinian displacement rises, polio in Ukraine

“People and our planet are in crisis”, the UN chief said, highlighting how conflicts continue to drive the vulnerable from their homes, while heatwaves and floods claim lives and division prevails.

‘Leave no one behind’

This year’s

coincides with the halfway point on the road to the Sustainable Development Goals, and the UN’s message is that the promise of the 2030 Agenda to “leave no one behind” is a key enabler of…