France's President Emmanuel Macron said on Monday he had encouraged his US counterpart Donald Trump to pursue his "determined efforts" to reach a ceasefire deal with Iran to end the Middle East war.

Israel's defense minister said Monday there would be "no calm in Beirut" if Hezbollah attacks continued and vowed to establish a military-controlled zone in the area of south Lebanon's Litani River.

"The Dahieh in Beirut is no different from the communities in northern Israel -- if there is no calm in the north, there will be no calm in Beirut," Israel Katz said in a statement released by his office, referring to the Beirut southern suburb and Hezbollah stronghold where he had earlier Monday ordered strikes.

The U.N. Security Council is set to hold an emergency meeting Monday on the fighting in Lebanon after Israel's military took over the medieval castle of Beaufort in Lebanese territory, diplomatic sources told AFP.

Israeli Prime Minister Benjamin Netanyahu has vowed to push deeper into Lebanon and called Sunday's operation a "dramatic shift" in the campaign against Hezbollah.

The United States and Iran said Monday they had again traded strikes, straining an already fragile ceasefire as negotiations between the two sides have stalled.

Weeks of complicated talks marked by sharp rhetoric and occasional flare-ups of violence have not managed to reach a deal to end the war and reopen the Strait of Hormuz, which is essential to oil supplies.

The Israeli army announced Monday that two of its soldiers had been killed in separate incidents in southern Lebanon, bringing to 27 the number of Israeli military deaths since early March.

President Joseph Aoun said Monday that Lebanon was facing "a vicious and reprehensible Israeli aggression", after Israel stepped up its offensive against Hezbollah with the capture of the medieval Beaufort Castle.

Aoun condemned the Israeli offensive in a post on X and pledged to "work to end the suffering of the Lebanese people, and people in the south in particular".

Iran's chief negotiator warned the United States is not to be trusted Sunday, saying Tehran would not agree to any deal with Washington unless it fully secures Iranian rights.

An Israeli strike near a hospital in Tyre, south Lebanon wounded 13 staffers, the Lebanese health ministry said, as Israel pushes forward its offensive deeper into the country.

Israeli Prime Minister Benjamin Netanyahu on Sunday said he ordered the Israeli army to deepen its deployment in Hezbollah strongholds north of the Litani River, noting that "soon Hezbollah will no longer have the ability to threaten northern Israel."

France has requested an emergency meeting of the United Nations Security Council after Israeli forces seized the medieval Beaufort castle in Lebanon, the French foreign minister said Sunday.