The UN peacekeeping force in Lebanon (UNIFIL) has said the Israeli army "deliberately" damaged one of their positions in southern Lebanon, in the latest incident reported by the force that remains deployed in all positions.
An Israeli "army bulldozer deliberately demolished an observation tower and perimeter fence of a UN position in" southern Lebanon, UNIFIL said in a statement.
It added that its forces remain in all positions "despite the pressure being exerted".
The Irish Defence Forces said earlier that "UNP 6-52 and UNP 6-50 were successfully resupplied" following Operation Fág an Bealach.
It added that all Irish Peacekeepers are accounted for and well.
In a statement, the Defence Forces said that Force Commander Lieutenant General Aroldo Lázaro Sáenz also visited the Blue Line positions.
"The sustainment of the Blue Line Posts will allow for the continued occupation and operation from these positions," the statement said.
"Irish peacekeepers continue to monitor and report any violations of UNSCR 1701 by all parties involved, maintaining an independent and impartial stance," it added.
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Meanwhile Israel said it has struck Hezbollah's intelligence headquarters in the Lebanese capital as it steps up its bombardment of southern Beirut.
It said its air force attacked Hezbollah's intelligence headquarters in Beirut as well as an underground workshop for the production of weapons.
Fighter jets killed three Hezbollah commanders, including Alhaj Abbas Salameh, a senior figure in the group's southern command, the Israeli military said in a statement.
Reuters witnesses saw smoke rising from Beirut's southern suburbs, once a densely populated zone that also housed Hezbollah offices and underground installations.
Israel struck dozens of south Lebanese villages and towns overnight and targeted Nabatiyeh city for a third time this week, Lebanese state media said.
"Warplanes struck ... the city of Nabatiyeh seven times" including on an inhabited building, with rescuers still looking for survivors under the rubble, the official National News Agency said.
It added that Israeli jets "conducted strikes" on more than 50 towns and villages including the border villages of Kfarshuba, Bint Jbeil and Khiam which have seen heavy fighting, reporting casualties.
"Israeli troops blew up the Tarrash neighbourhood in Mais al-Jabal," a border village where Hezbollah has clashed with Israeli soldiers, "after booby-trapping it with highly explosive materials," the NNA said.
The troops "bulldozed the cemetery in the village of Blida" nearby, the NNA added.
The Lebanese military said three of its soldiers were killed in an Israeli strike on an army vehicle in southern Lebanon.
Hezbollah made no immediate comment on the strikes.
The militant group said it launched rocket salvos at Israeli troops in two villages inside Lebanese territory, near the southern border.
Militants from the Iran-backed group launched "a rocket salvo" at Israeli "enemy forces" on the outskirts of the village of Markaba, as well as on soldiers nearby, "west of the village of Adaisseh", it said.
Cross-border fighting between Israel and Hezbollah erupted a year ago when the Iranian-backed group began launching rockets in support of Hamas.
At the start of October, Israel launched a ground assault inside Lebanon in an attempt to stabilise the border region for its citizens who had fled rocket attacks in northern Israel.
Over the last year, more than 2,400 people have been killed, according to Lebanon's health ministry, with more than 1.2 million people displaced, most in recent weeks.
Israeli authorities said 59 people have been killed in northern Israel and the occupied Golan Heights over the same period.
With US elections approaching, officials, diplomats and other sources in the region say Israel is seeking through military operations to try to shield its borders and ensure its rivals cannot regroup.
Israel is also preparing to retaliate for an Iranian missile barrage earlier this month, but Washington has pressed it not to strike Iranian energy facilities or nuclear sites.
Prime Minister Benjamin Netanyahu said he was the subject of an assassination attempt by "Iran's proxy Hezbollah" yesterday when a drone was directed at his holiday home.
In a call with former US President Donald Trump, the prime minister reiterated that Israel would make decisions based on its own interests, according to a statement from Mr Netanyahu's office.
Israel's government has rejected several attempts by the United States, its main ally and military backer, at brokering ceasefires in both Gaza and Lebanon.
Meanwhile at least 87 people were killed or missing under the rubble after an Israeli attack on Beit Lahiya in northern Gaza, the enclave's health ministry said.
