At the centre of the crisis is the Strait of Hormuz, one of the world’s most important maritime chokepoints. Roughly one-fifth of global oil shipments pass through the strait in peacetime, making it critical to international trade and energy markets. Iran’s temporary closure of the waterway during the conflict caused immediate global concern, pushing oil prices higher and reviving fears of inflation. Although Tehran briefly reopened the route, it later shut it again after the United States maintained pressure through a blockade and the seizure of an Iranian-linked cargo vessel.
President Donald Trump has framed the pressure campaign as necessary leverage to force Iran into a settlement. He stated that the blockade would remain until a formal agreement is signed and described the economic toll on Iran as severe. Trump has also linked diplomacy directly to the ceasefire deadline, warning that failure to reach a deal could trigger fresh bombing. His statement that a further extension is “highly unlikely” has signalled a willingness to let the truce expire unless Tehran agrees to American terms.
Iran, however, has refused to negotiate under what it describes as coercion. Senior Iranian figures argue that Washington is attempting to use diplomacy as a means of forcing surrender rather than pursuing genuine compromise. Parliamentary speaker Mohammad Baqer Ghalibaf’s remark that the US seeks a "table of surrender" reflects this broader sentiment. Tehran has also warned that it has "new cards on the battlefield", suggesting it retains military or strategic options if talks fail.
Foreign Minister Abbas Araghchi has added to the criticism by accusing Washington of "provocative actions and repeated ceasefire violations". Iranian officials say naval seizures, interference with merchant vessels, and aggressive rhetoric from the White House have made diplomacy increasingly difficult. President Masoud Pezeshkian has insisted that "honouring commitments is the foundation of any meaningful dialogue", emphasising that trust must be restored before progress can be made.
Attention has now shifted to Islamabad, where a new round of negotiations has been proposed. The United States is reportedly sending Vice President JD Vance to lead discussions, demonstrating the importance Washington places on a possible breakthrough. Yet Iranian participation remains uncertain, with state media suggesting Tehran may not attend because of what it calls "excessive demands and inconsistent positions" from the US.
Pakistan has tightened security in anticipation of the summit, highlighting the seriousness of the moment. If talks proceed, they may offer a final chance to preserve the ceasefire and stabilise the region. If they collapse, the consequences could be severe: renewed military action, disruptions in global oil supplies, economic instability, and wider regional conflict. The coming days are therefore likely to shape not only US-Iran relations, but also the broader geopolitical and economic outlook.