The US-Iran war has entered its most dangerous and fast-moving phase yet on Wednesday, June 10, 2026, as President Donald Trump warned from the Oval Office that the United States will strike Iran "attacking them very hard" unless Tehran signs a "meaningful" deal — even as US Central Command (CENTCOM) confirmed that American forces had already launched "additional self-defense strikes against multiple targets in Iran" beginning at 5:15 p.m. ET, describing the action as a direct response to "Iran's unwarranted and continued aggression."
The situation represents the most serious direct military confrontation between the United States and Iran in history — and is developing at a speed that has left diplomatic channels struggling to keep pace with the pace of military escalation on both sides.
Trump's Stark Warning: "We Hit Them Hard Yesterday — Again Today"
Speaking to reporters at the White House on June 10, President Trump was characteristically blunt and unambiguous. "We hit them hard yesterday and we're going to hit them hard again today," Trump declared, before reiterating his desire for a negotiated resolution. "We want a deal that is meaningful, we want a deal that works. We were really close to a deal, but they keep tapping us along, they keep playing us for suckers," Trump told reporters. He added that Iran had already agreed in principle not to develop a nuclear weapon, but that the agreement still needed to be formally signed.
Trump said Iran "should sign the deal" and that the US wants one "that's meaningful and works." The comments came hours after he warned on Truth Social that Iran had taken too long to negotiate and would now "pay the price." Defense Secretary Pete Hegseth echoed the president's warning, both men making clear that further military strikes were not a threat but an operational certainty if Iran failed to move toward closure on a deal.
For the most authoritative and continuously updated live reporting on the US-Iran military conflict, diplomatic developments, and CENTCOM operational briefings, Reuters is providing real-time coverage from correspondents across Washington, Tehran, Tel Aviv, and Gulf capitals as this rapidly evolving situation unfolds.
How We Got Here: The Escalation Timeline
The current military confrontation did not emerge overnight — it is the product of a compressed but intense escalation cycle that began gathering pace over the preceding days. The US launched a new wave of strikes on "multiple targets" in Iran after Trump and Defense Secretary Hegseth warned Tehran it would be hit hard. Trump met with his national security team in the Situation Room earlier in the day to discuss the military action.
The renewed attacks came after the US and Iran exchanged strikes the day earlier, during which Trump accused Iran of downing an American helicopter near the Strait of Hormuz. That incident — the downing of a US Army Apache helicopter by Iranian forces over one of the world's most strategically critical waterways — served as the immediate trigger for the US "self-defense" strikes on June 9 against Iranian military installations near the Strait.
Iran said on June 10 that it had launched strikes at US bases in the region. Iran's Revolutionary Guards launched missile and drone attacks on a US military base in Jordan and other American-linked targets across the Persian Gulf in retaliation for US strikes on Iranian military installations near the Strait of Hormuz. Trump's warning came hours after Bahrain, Kuwait and Jordan — all of which host US troops — came under Iranian fire.
Iran's Response: "The War Won't Be Limited to the Region"
Tehran's reaction to Trump's warnings and the latest round of US strikes has been defiant and alarming in equal measure. The head of the national security commission in Iran's parliament, Ebrahim Azizi, wrote that "this time, the war won't be limited to the region," in a post on X. The statement represents one of the most explicit and escalatory warnings yet from Iranian officials — signaling that Tehran may be prepared to activate proxy networks, cyber capabilities, or other asymmetric tools well beyond the immediate Persian Gulf theater.
Earlier, the IRGC warned that should the US respond, "more severe and widespread attacks will be carried out against the designated targets in the region." Iran's posture reflects a military and political leadership that, despite Trump's declaration that Iran's military has been "completely defeated" and that its navy and air force "don't even exist anymore," appears willing to continue absorbing military punishment rather than capitulating to American demands on the nuclear deal's terms.
The Nuclear Deal: How Close Is an Agreement?
Trump said Iran has already agreed to not develop a nuclear weapon, but the agreement still needs to be signed. This is perhaps the most significant detail in the entire crisis — the outline of a deal reportedly exists, but the gap between agreeing in principle and formally signing a binding agreement is proving extraordinarily difficult to close under the pressure of simultaneous military operations.
Iranian and US negotiators had met on Tuesday and agreed on guiding principles. White House press secretary Karoline Leavitt said that the two sides remained apart on some issues. The UN nuclear watchdog's 35-nation board of governors has added institutional pressure to the diplomatic effort by approving a US-backed resolution demanding Iran declare its remaining stockpile of enriched uranium and allow international inspectors into the country — a key verification demand that Washington has insisted must be part of any credible final agreement.
Trump Warns Netanyahu: "You'll Be on Your Own"
A crucial and underreported dimension of today's developments is the sharp tension that has emerged between Washington and Jerusalem. Trump warned Netanyahu about the consequences of continuing the war. "I said, 'Bibi, you better be careful, or you will be on your own very soon'," Trump said in an interview with Axios.
The flare-up began on Sunday, triggered by Israel's deadly bombardment of Lebanon's capital, Beirut. Iran — which has long said any peace deal with the US depends in part on an end to the fighting in Lebanon — responded with a wave of missiles at northern Israel. Trump reportedly called Netanyahu on Sunday evening and asked him not to retaliate, but Israel launched attacks on Iran early on Monday regardless — a decision that directly contributed to the current escalatory spiral and that has created visible and significant friction between the two longstanding allies at the most critical moment of the crisis.
Market Reaction: Oil Surges, Stocks Fall
Oil prices rose and US stock futures fell after Trump's comments, with US crude climbing nearly 2% to $89.72 per barrel and Brent rising 1.3% to $92.74. The market reaction reflects growing investor anxiety about the potential for the conflict to escalate to the point of disrupting Strait of Hormuz oil shipping — through which approximately 20% of the world's daily crude supply flows — a scenario that could send energy prices sharply higher and deliver a significant inflationary shock to the global economy at a particularly vulnerable moment.
Global Calls for Restraint
Global leaders have called for a swift return to diplomatic negotiations. China's Foreign Ministry spokesperson Lin Jian expressed deep concern and encouraged all parties to "remain calm, exercise restraint, stop exacerbating confrontation, and escalating tensions." The United Nations and European governments have similarly urged an immediate ceasefire and return to the negotiating table, with several European foreign ministers offering to host emergency diplomatic talks if both Washington and Tehran signal willingness to pause military operations.
What Comes Next: Deal or Deeper War?
The next several hours are among the most consequential in the entire crisis. The fundamental dynamic is brutally clear: Trump is simultaneously striking Iran and demanding it sign a deal — a high-risk coercive strategy that bets Iran's leadership will conclude that the cost of continued military confrontation exceeds the diplomatic concessions required to reach an agreement. Tehran, for its part, appears to be calculating that showing strength and willingness to absorb and respond to US strikes will ultimately force Washington to offer better terms.
Whether this high-stakes military and diplomatic confrontation ends with a signed nuclear deal or spirals into a broader, more catastrophic regional war will depend on decisions made by a handful of individuals in Washington, Tehran, and Jerusalem in the hours and days immediately ahead. The world is watching — and waiting — with extraordinary urgency.