The outgoing United Nations humanitarian chief has warned on Wednesday that a spread of the Israel’s war on Gaza to Lebanon would be “potentially apocalyptic”, as fighting raged in the southern Gaza Strip. Martin Griffiths described Lebanon as “the flashpoint beyond all flashpoints”, especially its southern border with Israel which has seen daily cross-border violence since October 7. “It’s beyond planning. It’s potentially apocalyptic,” warned Griffiths whose term as UN humanitarian coordinator ends this week. A war involving Lebanon “will draw in Syria… it will draw in others”, he told rep…