Iran's acting foreign minister dismissed a Gaza cease-fire deal proposed by U.S. President Joe Biden and warned Israel against launching an all-out war on Lebanon during a visit to Beirut Monday, his first official diplomatic visit since his predecessor died last month.

Ali Bagheri Kani replaced Hossein Amirabdollahian, a hard-liner close to the paramilitary Revolutionary Guard, who died in a helicopter crash on May 19 in a mountainous area near Iran's border with Azerbaijan, along with Iranian President Ebrahim Raisi and a delegation of other officials.