Israel-Iran tension escalates

President Biden has said the US does not support an attack by Israel on Iran's nuclear sites, while the UN secretary general has warned of the danger of a regional war across the Middle East. We speak to expert on why diplomacy is crucial at this stage. Also in the programme: Biden visits Hurricane Helene-ravaged areas; and the discovery of an unknown species of moth. (Image: Smoke rises following an Israeli military strike in southern Lebanon. Credit: STR/EPA-EFE/REX/Shutterstock)