The U.N. peacekeeping mission for Lebanon, known as UNIFIL, said one peacekeeper was killed and others were wounded when they came under mortar fire in southeastern Lebanon.
The president also acknowledged that he cursed at the Israeli leader in a heated phone call in which he told Benjamin Netanyahu not to bomb the Lebanese capital Beirut.
Israel says it will intensify attacks against Hezbollah in Lebanon and U.S. military struck Iranian boats and missile launch sites as envoys continued negotiations for a deal that would end the three-month war.
The U.S. military announced strikes against Iranian positions just hours after President Trump says more countries should normalize ties with Israel in any Iran deal, tempering expectations of peace.
Nearly 3,000 people have been killed and nearly 1 million have been displaced the war in southern Lebanon began in March. Nearly 400 have been killed since a ceasefire began in April.
Israeli authorities are issuing Palestinians demolition orders in East Jerusalem at an accelerated rate since Israel launched war with Iran, human rights groups and U.N. experts say.
An ultra-Orthodox Jewish party in Israeli Prime Minister Benjamin Netanyahu's coalition has called for parliament to be dissolved, threatening to bring down the government.
Kuwait accused Iran of launching a failed attack earlier this month on an island where China is helping build a port. And a U.S. ambassador revealed Israel sent its Iron Dome air-defense to the United Arab Emirates.