António Guterres says violence puts region at risk as Hezbollah and Israel seem unwilling to dial down fighting

• Middle East crisis – latest news updates

World leaders gathered at the UN general assembly were warned by the UN secretary general that Lebanon is on the brink of becoming a second Gaza, adding the crisis has “become a non-stop nightmare that threatens to take the whole region down”.

António Guterres made his warning of a world edging towards a powder keg as diplomats meeting in New York battled to impose a ceasefire in Lebanon and to hold Israel back from a ground invasion.