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US Senate backs Trump’s war powers as Iran conflict deepens and markets react

Brent crude, the global benchmark, rose 3.5 per cent to US$101.91 per barrel, reflecting uncertainty over supply disruptions

Updated 6 months ago · Published on 23 Apr 2026 10:26AM

US Senate backs Trump’s war powers as Iran conflict deepens and markets react
Lawmakers reject bid to curb presidential authority in Iran conflict, even as questions mount over strategy, rising oil prices and the timeline for de-escalation - April 23, 2026

THE United States Senate has rejected a resolution that would have forced a withdrawal of American forces from the conflict with Iran, underscoring continued congressional support for President Donald Trump’s military approach despite mounting concerns over the war’s trajectory.

AP reported on Thursday that the measure failed by 46 votes to 51, marking the fifth occasion this year that the Senate has declined to reassert its constitutional authority over war powers.

The resolution, backed by Democrats, sought to require explicit congressional approval before further military engagement.

Senate Democratic leader Chuck Schumer warned that prolonging the conflict risked entrenching the United States further.

“The longer Trump waits to extricate the U.S. from this war, the deeper the hole gets and the harder it will be for him to get out,” he said.

Republicans, while expressing a desire for a swift end to hostilities, have largely refrained from criticising the administration.

Senate Majority Leader John Thune said many within his party supported the president’s stance, noting that they believe “that the president is correct in making sure Iran can’t threaten the world with a nuclear weapon.”

Behind closed doors, however, concerns are growing.

The United States Department of Defense has indicated it could take up to six months to clear naval mines in the Strait of Hormuz, according to a person familiar with a classified briefing delivered to the House Armed Services Committee.

Lawmakers reportedly left the session with unresolved questions over the cost, objectives and broader strategy of the war, as well as lingering concerns regarding an early strike on a school compound.

Financial markets have so far shown resilience amidst the conflict.

Wall Street rallied to fresh records, with the S&P 500 rising 1 per cent to surpass its previous high, while the Dow Jones Industrial Average gained 340 points and the Nasdaq Composite climbed 1.6 per cent to a record close.

Strong corporate earnings from major firms helped sustain the momentum, marking the index’s 13th advance in 16 sessions.

Even so, investor optimism has been tempered by rising energy costs linked to the conflict. Brent crude, the global benchmark, rose 3.5 per cent to US$101.91 per barrel, reflecting uncertainty over supply disruptions.

Diplomatic signals remain mixed. Iran has acknowledged an extension of the ceasefire but has not confirmed its participation in a new round of talks.

White House press secretary Karoline Leavitt said no deadline had been set for Tehran to respond with a proposal. “Ultimately, the timeline would be dictated by the commander in chief,” she said.

President Trump announced the extension of the ceasefire on Tuesday, but with negotiations stalled and military operations ongoing, the prospect of a durable resolution remains uncertain. - April 23, 2026

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