With conflicts continuing in Ukraine, Africa and the Middle East, the global economy being held to ransom and the old world order seemingly up-ended, is there any role left for the United Nations?

Founded in the shadow of two world wars, the UN used to be considered the guardian of international law and order. But is it now little more than a toothless talking shop?

Niall is joined by Sky News' diplomatic editor Dominic Waghorn to help answer a query from a listener on whether the United Nations still has any meaningful function in the modern world.

Have you got a question for Niall? Email the show: [email protected]