UN Secretary General António Guterres told world leaders on Tuesday that Lebanon must not “become another Gaza,” after Israeli airstrikes against the Hezbollah militia group killed more than 550 people there. “Lebanon is at the brink,” he said at the opening of the UN’s annual high-level debate week in New York, which brings together world leaders from across the globe. “The people of Lebanon – the people of Israel – and the people of the world – cannot afford Lebanon to become another Gaza,” he said. Guterres, who has repeatedly criticized the conduct of the Israeli military in Gaza, said he …