Oil markets surged to a four-year high as the U.S. and Iran remained locked in a standoff over the Strait of Hormuz, with both sides warning of more escalation.

Oil prices climbed to a four-year high on April 30 as the standoff between President Donald Trump and Iran showed no sign of easing, according to Reuters reporting cited in market coverage.

Brent crude rose above $126 a barrel as traders worried the conflict could worsen and disrupt supplies through the Strait of Hormuz, one of the world’s most important energy routes.

Reuters reported that the Strait of Hormuz remained closed and that the disruption was choking off a major share of global oil and gas supplies. The price move underscored how quickly the confrontation was rippling through energy markets.

The pressure escalated further after Reuters reported on April 29 that Iran threatened a "long and painful" response if the United States renewed attacks. In a statement earlier this month, the White House said Trump had directed a naval blockade to counter Iranian aggression and restore safe passage through the strait.

The Washington Post published analysis on April 30 describing the crisis as a high-stakes standoff tied to both the strategic waterway and the surge in oil prices.

With the situation still developing, the key questions are whether diplomacy can reopen the strait and whether the confrontation broadens enough to keep oil prices elevated or push them higher still.

Revision note

Initial automated publication.