Trump Threatens Iran at UN as Diplomacy Over Hormuz Continues

The contrast between the public rhetoric and private diplomacy has highlighted the increasingly complex nature of the confrontation between Washington and Tehran.

During his address to the United Nations General Assembly on 22 September, Trump warned that Iran could face overwhelming military consequences if the conflict continues without an agreement. His remarks included a threat that the United States could “annihilate” Iran, underscoring the level of tension between the two governments.

At the same time, diplomatic efforts have continued behind the scenes, with intermediaries attempting to establish conditions for a wider agreement between the two sides.

Diplomacy Continues Behind the Threats

Iran has signalled that it remains open to negotiations, provided Washington takes concrete steps to reduce military and economic pressure.

A senior Iranian official said Tehran could reopen the Strait of Hormuz within seven days if the United States eases military pressure and lifts restrictions affecting Iranian ports.

Iran says its delegation attending the UN General Assembly in New York has been authorised to pursue negotiations and that a proposal for ending hostilities was passed to Washington through mediators on 16 September.

Iranian President Masoud Pezeshkian is also in New York for the General Assembly, although a direct meeting with Trump is not expected.

Instead, negotiations are being pursued indirectly, reflecting the deep mistrust that continues to define relations between the two governments.

Strait of Hormuz Becomes Key Bargaining Point

The Strait of Hormuz has emerged as one of Tehran's strongest points of leverage.

The narrow waterway connects the Persian Gulf with the Arabian Sea and is critical for global energy exports. Disruptions to shipping through the strait can quickly affect oil prices, freight costs and insurance premiums.

Iran's willingness to reopen the route therefore carries significance well beyond its confrontation with Washington.

Tehran has linked progress on reopening the waterway to an easing of military pressure and restrictions on Iranian trade, turning maritime access into a central part of the wider diplomatic negotiations.

Washington Keeps Military Pressure in Place

Trump's UN remarks suggest that the United States is not yet prepared to reduce pressure without significant Iranian concessions.

His administration has continued to emphasise economic isolation and military deterrence while leaving open the possibility of negotiations.

This creates a dual-track strategy: maintaining pressure on Tehran publicly while allowing diplomatic channels to remain active in the background.

Iran, meanwhile, has warned that renewed US military operations could trigger a broader response.

That leaves both sides attempting to strengthen their negotiating positions while avoiding an escalation that could expand across the wider Gulf.

Global Energy Markets Watching Closely

The confrontation is already being closely monitored by financial and energy markets.

Any sustained disruption in the Strait of Hormuz could threaten energy shipments from several major Gulf producers and increase pressure on global oil prices.

Market sentiment has reacted to both the possibility of renewed fighting and signs that negotiations could reduce tensions, illustrating how closely geopolitical developments in the Gulf are tied to the global economy.

A Narrow Diplomatic Window

The UN General Assembly has created an unusual diplomatic opening by placing senior US and Iranian officials in New York at the same time.

Tehran has described the gathering as an opportunity to revive negotiations, while Washington has continued to signal that any agreement would require substantial changes in Iran's position.

For now, neither confrontation nor diplomacy has clearly prevailed.

Trump's warning demonstrates that military escalation remains a real possibility, while Iran's offer to reopen the Strait of Hormuz suggests that Tehran is still seeking a negotiated route out of the crisis.

The coming negotiations will determine whether the two sides can turn that narrow diplomatic opening into a broader agreement or whether the Gulf moves closer to another round of confrontation.