US-Iran deal signed but Israeli breaches of Lebanon ceasefire raise tensions

What happened

The Guardian reports that US President Donald Trump has declared the US-Iran peace deal "all signed," with the Strait of Hormuz expected to be fully open from Friday. However, the agreement faces uncertainties, including Iranian claims over waterway fees and confirmed Israeli breaches of the ceasefire in Lebanon.

Outside Brief is treating this as a source-led account. Any disputed responsibility, casualty figure, battlefield claim or single-source assertion should be treated as unconfirmed/hearsay unless confirmed by another reliable source or a named official. Trump rejected a UK-France proposal for a joint naval mission in the Strait of Hormuz and announced the deal aims to prevent Iran from acquiring a nuclear weapon, a core US objective. The formal signing ceremony is scheduled in Geneva with US Vice-President JD Vance and Iran’s chief negotiator Mohammad-Bagher Ghalibaf participating, with more detailed provisions to be published shortly.

Despite the deal's signing, Israeli security actions in southern Lebanon continue, with a recent Israeli drone strike killing a person and marking the second such death since the 60-day ceasefire started. German Chancellor Friedrich Merz explicitly warned Israel that the ceasefire must be respected in Lebanon to uphold stability, while EU Commission President Ursula von der Leyen emphasized that peace is impossible while Lebanon remains in turmoil.

Known from the source

• US President Donald Trump announced the US-Iran peace deal is signed and the Strait of Hormuz will be open from Friday.
• The formal signing ceremony will take place in Geneva with US Vice-President JD Vance and Iran’s chief negotiator Mohammad-Bagher Ghalibaf.
• Israeli strikes in southern Lebanon continue, with at least one confirmed death and a second since the ceasefire began.
• German Chancellor Friedrich Merz warned Israel to respect the ceasefire in Lebanon.
• The European Commission President Ursula von der Leyen stated lasting peace is impossible while Lebanon remains in flames.

What remains unclear

US officials stated that no immediate reduction of US forces near Iran will occur until Iran meets its commitments, and the release of frozen Iranian assets remains conditional on reciprocal gestures. The US denied any side deals involving Gulf countries and indicated continued technical talks addressing Iran’s nuclear program and sanctions relief.

What remains unclear: Confirm whether the central claim is corroborated; until then treat it as unconfirmed/hearsay. Verification of casualty numbers from Israeli drone strikes in Lebanon since the ceasefire. Confirmation of Iran’s claims over charging fees in the Strait of Hormuz under the new deal. Details and text of the memorandum of understanding including enforcement and compliance mechanisms.

Evidence note

Outside Brief has kept this brief source-led and attributed. Claims should be read alongside the original source linked below.

Original source: The Guardian Lebanon. Open the source.