The head of Hezbollah's parliamentary bloc Mohammad Raad vowed to continue fighting Israel "whatever the cost," on Monday, in remarks broadcast by Hezbollah's Al-Manar TV.

Hezbollah said on Monday that it had targeted the Israeli Home Front Command base in Ramla, near Tel Aviv, with "advanced missiles" as the war between the pro-Iranian group and Israel hit the one-week mark.

Syrian President Ahmed al-Sharaa on Monday declared his support for his Lebanese counterpart Joseph Aoun in the latter's effort to disarm Hezbollah, state media reported.

Israel announced on Monday that its military had killed the head of Hezbollah's Nasr unit operating in part of southern Lebanon during renewed fighting with the Iran-backed group.

A south Lebanon parish lost its priest on Monday when Father Pierre al-Rai of al-Qlayaa died of wounds sustained from Israeli tank fire, according to state media and a medical source.

The EU's top diplomat called Monday for a 2024 ceasefire to be upheld to prevent Lebanon from "sliding into chaos," saying Israel's "heavy-handed" response to Hezbollah attacks was further destabilizing the region.

President Joseph Aoun on Monday accused Hezbollah of working towards the "collapse" of the state, after the pro-Iran group launched an attack on Israel, expressing Beirut's readiness for "direct negotiations" with Israel.

Begun after Hezbollah launched rockets towards Israel a week ago, Israel's bombing campaign has killed at least 394 people and displaced more than half a million.

Hezbollah on Monday welcomed the selection of Mojtaba Khamenei as Iran's new supreme leader, pledging allegiance after his predecessor and father Ali Khamenei was killed in U.S.-Israeli attacks.

"We in Hezbollah extend our warmest congratulations and blessings on this occasion. We renew our pledge of loyalty to this blessed approach and our steadfastness on the path of allegiance," the group said in a statement.

French President Emmanuel Macron arrived in Cyprus on Monday to discuss regional security, while Paris deployed warships to the Mediterranean and the U.S.-Israeli war on Iran stretched into a second week.

Parliament on Monday postponed legislative elections, initially due to be held in May, by two years, according to a statement from the parliament speaker, due to the war between Israel and Iran-backed group Hezbollah.

MPs convened on Monday including Mohammad Raad, head of Hezbollah's parliamentary bloc, even as Israeli warplanes flew above the nearby southern suburbs of Beirut.