Iran has suspended negotiations with the United States over a nuclear agreement following an Israeli airstrike in southern Beirut that killed three people.
The attack, which targeted Hezbollah-linked infrastructure, has effectively frozen the diplomatic track at a critical juncture in the talks.
The escalation has immediately reignited the Middle East risk premium, a dynamic that typically drives capital into safe-haven assets and lifts energy prices amid fears of broader regional spillover.
With the diplomatic channel now closed, the probability of a wider conflict involving Iranian proxies.
The timing of the strike is particularly damaging to the US-Iranian dialogue.
Washington and Tehran had been in the final stages of a potential deal, but the violence in Beirut has provided Tehran with a clear pretext to walk away.