Israel and the Lebanese government have agreed to a new US-mediated ceasefire, the Trump administration announced on June 4, 2026. However, the prospects for this truce appear uncertain before its implementation has even begun, with Israel's defense minister stating the military will continue operations in Lebanon.

This latest diplomatic push follows a previous ceasefire agreement on April 16, which has been largely ineffective. Since that date, over 600 people have been killed in Israeli strikes across Lebanon, and Israel has expanded its military presence, occupying approximately one-fifth of the country's southern region.

The new agreement stipulates a complete cessation of Hezbollah fire and the withdrawal of its fighters from areas south of the Litani River. It also proposes the establishment of "pilot zones" under the exclusive control of the Lebanese Armed Forces, excluding non-state actors.

The viability of the ceasefire is further cast into doubt by the reactions of key players. Hezbollah leader Naim Qassem dismissed the deal, calling it "surrender and defeat." Concurrently, Iran, a close ally of Hezbollah, has reiterated its demand for Israeli forces to withdraw to pre-war positions, a condition not explicitly included in the US-brokered agreement.

The Trump administration's announcement comes amid parallel negotiations with Iran, which has made a ceasefire in Lebanon a prerequisite for any broader agreement to end the conflict with the United States. Iran's Quds Force commander, Esmail Qaani, emphasized that the foundational demand from Lebanon is for Israel to revert to its positions held before the US-Israel war on Iran began at the end of February.

Critics of Israel's military actions in Lebanon point to the failure of the April truce as a precedent, highlighting that it did not halt Israeli attacks or the occupation of southern Lebanon. The current agreement faces similar skepticism due to the continued Israeli military operations and the strong opposition from Hezbollah.

Lebanese President Joseph Aoun stated that the ceasefire would come into effect within 24 hours of approval by all relevant parties. However, this timeline is contingent on the acceptance of a deal that has already been rejected by a significant party, Hezbollah, and met with continued military intent from Israel.

Unresolved questions remain regarding the enforcement mechanisms of the new truce and whether the opposing stances of Israel, Hezbollah, and Iran can be reconciled. The effectiveness of the "pilot zones" and the ultimate fate of Israeli military presence in southern Lebanon are critical points of contention.