https://www.live-feeds.com/feed/brent-oil-rises-to-91-as-iran-rules-out-interim-deal-extension-threatens-to-escalate-conflictContinuously updated, source-cited coverage. https://www.live-feeds.com/feed/brent-oil-rises-to-91-as-iran-rules-out-interim-deal-extension-threatens-to-escalate-conflicthttps://www.live-feeds.com/feed/brent-oil-rises-to-91-as-iran-rules-out-interim-deal-extension-threatens-to-escalate-conflict#u44868Tue, 18 Aug 2026 13:15:29 +0000Brent oil prices rose to $91 as Iran ruled out extending the interim nuclear deal and threatened to escalate conflict. The development comes as the 60-day deadline for an Iran peace deal has expired. US and Iran have failed to agree on a broad deal to end the war.Why it mattersThe situation is tense as Iran and the US have not reached an agreement. The failed negotiations have led to an increase in oil prices. The conflict has been ongoing for some time, with the US imposing pressure on Iran.What is confirmedThe 60-day deadline for an Iran peace deal has expired.Iran has ruled out extending th