Iran's foreign ministry said Monday it had called for an end to the war across the region and the release of frozen assets abroad in its response to the latest U.S. proposal.

"We did not demand any concessions. The only thing we demanded was Iran's legitimate rights," said ministry spokesman Esmaeil Baqaei in a weekly press briefing.

Israel kept up strikes on south and east Lebanon on Monday despite a ceasefire, targeting Jmayjmeh, al-Qlayleh, Harees, Arnoun, Jarjou', Sojod, Toul, Yohmor Shqif, Kfartebnit, Kfardounine, Shoukine, Ebba, Kfarjoz, Zebdine, Zebqine, Yater, Nabatieh, Safad al-Battikh and Kfar Remman.

Israeli artillery meanwhile shelled the southern towns of Yohmor, Arnoun, Kfartebnit, Nabatieh, Mayfadoun, Majdalzoun, Jebshit, Ali Taher and Qalaway.

U.S. President Donald Trump said Sunday he has rejected Iran's response to a U.S. proposal for ending the Iran war, deeming it "totally unacceptable."

"I have just read the response from Iran's so-called 'Representatives.' I don't like it -- TOTALLY UNACCEPTABLE!" Trump posted on his Truth Social platform, without describing elements of Tehran's response.

U.S. President Donald Trump on Sunday accused Iran of "playing games" and laughing at America for decades, but said it soon would be made to stop -- without commenting directly on reports of Tehran's response to Washington's latest peace proposal.

European Union crisis management chief Hadja Lahbib on Saturday urged increased humanitarian access in south Lebanon, where Israel has kept up strikes and Hezbollah has been launching attacks despite a ceasefire.

Syrian President Ahmed al-Sharaa met Lebanon's Prime Minister Nawaf Salam in Damascus on Saturday on a visit tackling issues including security, transport and energy.

Israel carried out strikes across Lebanon on Saturday, killing at least nine people in the south according to authorities, with raids also targeting a highway not far from Beirut outside of Hezbollah's traditional strongholds.

Iran's Islamic Revolutionary Guards threatened Saturday to target U.S. sites in the Middle East if its tankers come under fire, Iranian media reported, as Washington was left waiting for Tehran's response to its latest negotiating position.

Iran's army warned on Sunday that countries complying with U.S. sanctions against the Islamic republic would face difficulties crossing the Strait of Hormuz.

An unknown projectile struck a ship off the coast of Qatar early Sunday morning, a UK maritime agency reported, after Iran's Islamic Revolutionary Guards threatened to target U.S. vessels in the region.