Some south Lebanon residents cautiously headed back to their hometowns on Sunday after fighting paused between Israel and Hezbollah the previous evening, even as Lebanon's army warned locals to delay returns.

Israel's military chief said on Sunday that Hezbollah had suffered a severe blow fighting Israeli forces and was now in a "very difficult position", as he met with troops in southern Lebanon.

Israeli Prime Minister Benjamin Netanyahu said on Sunday that Israeli forces would remain in southern Lebanon "as long as necessary", while also vowing to prevent Iran from acquiring nuclear weapons.

Hezbollah chief Sheikh Naim Qassem on Sunday rejected any Israeli security zone in Lebanon, after Israel's Prime Minister Benjamin Netanyahu vowed his troops would remain in the country's south for as long as necessary.

Iranian state television reported on Sunday a pause in the U.S.-Iran talks mediated by Pakistan and Qatar in Switzerland, and said that the Islamic republic's nuclear program had not been discussed.

Iran said on Sunday that the ongoing conflict in Lebanon between Israel and Hezbollah will top the agenda in talks with the United States in Switzerland, as well as issues such as frozen Iranian funds and the sale of the country's oil.

The Israeli military said that one of its soldiers was killed in fighting in southern Lebanon on Saturday, marking the fifth such fatality since a U.S.-Iran deal was reached to end the Middle East war.

Lebanon's central bank on Saturday condemned a "direct and deliberate" Israeli attack on one of its branches in the southern city of Nabatieh, where Israel had intensified its strikes despite a ceasefire.

Italian Prime Minister Giorgia Meloni fired back at U.S. President Donald Trump on Saturday, saying his "constant, unprovoked attacks are senseless" after he escalated a diplomatic row by accusing her of repeatedly seeking a photograph with him.

U.S. President Donald Trump warned that the United States could impose tolls on the vital Strait of Hormuz waterway if negotiators are unable to complete a deal to end the war in Iran.

There will be no tolls "unless they are imposed by and for the United States of America, should the deal not be completed, for services rendered as the Guardian Angel to the countries of the Middle East for purposes of both past, present, and future reimbursement of costs," Trump posted on Truth Social.