Israeli Prime Minister Benjamin Netanyahu has claimed that Hezbollah is attempting to "rearm" itself.

"We expect the Lebanese government to fulfill its commitment -- to disarm Hezbollah -- but it is clear we will exercise our right of self-defense under the terms of ceasefire," Netanyahu told the Israeli cabinet at its weekly meeting on Sunday.

Hundreds of people gathered in south Lebanon's Nabatiyeh on Sunday to mourn five Hezbollah members killed in recent Israeli attacks, an AFP correspondent said, as Israel warned of intensifying attacks against the Iran-backed group.

On Saturday, an Israeli strike killed four people in Kfar Rumman, Nabatiyeh district, the Lebanese health ministry and the Israeli military said.

U.S. President Donald Trump alleged Sunday that countries including Russia and China have conducted underground nuclear tests unknown to the public, and that the United States would follow suit.

Israeli police arrested former military prosecutor Yifat Tomer-Yerushalmi, the national security minister said Monday, following a scandal that erupted after she leaked a video appearing to show soldiers abusing a Palestinian detainee.

Turkey on Monday hosts a string of top diplomats from the Islamic world to bring their influence to bear on the future of Gaza, as fears grow for the increasingly fragile truce.

A U.S. strike on an alleged drug-trafficking vessel in the Caribbean killed three people on Saturday, Pentagon chief Pete Hegseth said, the latest such attack in international waters.

U.S. President Donald Trump threatened on Saturday to send the military into Nigeria with "guns-a-blazing" if Africa's most populous country does not stem what he described as the killing of Christians by Islamists.

U.S. Defense Secretary Pete Hegseth said on Saturday that during talks with his Chinese counterpart, the two sides had agreed to reboot military-to-military links to "deconflict and deescalate".

Israel warned Sunday that its military would step up its attacks against Hezbollah in southern Lebanon, a day after the Lebanese health ministry reported four people killed in an Israeli air strike.

U.S. envoy Tom Barrack has called Lebanon "a failed state" in remarks underscoring Washington's frustration with what he called Beirut's "paralyzed government."

Speaking at the Manama Dialogue summit in Bahrain during a panel on "U.S. Policy in the Levant," Barrack pointedly said Lebanon is the only state in the region "not jumping in line" with the new Middle East realignments.