BY COMFORT OGBONNA

The United States has reimposed sanctions on Iranian oil exports after accusing Tehran of escalating tensions in the Strait of Hormuz, raising concerns that renewed conflict could threaten global energy supplies and push oil prices higher.

The decision, announced Tuesday, immediately affected global oil markets, with crude prices climbing more than 5% as traders reacted to the possibility of tighter supplies and increased geopolitical risks in the Middle East.

The U.S. Treasury had previously granted a temporary authorization allowing Iran to continue selling oil until August 21 as part of a fragile understanding reached between Washington and Tehran. However, the latest action cancels that extension and moves the deadline for ending the wind-down period forward to July 17, effectively tightening restrictions on Iranian crude exports.

The move came after reports that three commercial tankers had been hit by unknown projectiles in and around the Strait of Hormuz, according to the United Kingdom Maritime Trade Operations agency. No group immediately claimed responsibility for the incidents, and Iranian officials had not issued a public response at the time of the announcement.

A U.S. official described the reported attacks on shipping vessels as “wholly unacceptable” and warned that Iran would face consequences if it was found responsible. Despite the rising tensions, the official said diplomatic efforts were continuing, with negotiators still working toward a broader agreement with Tehran.

The latest developments have placed the already fragile relationship between the United States and Iran under additional pressure. While both sides had previously moved toward a temporary understanding, the renewed accusations and retaliatory measures risk undermining negotiations and increasing the possibility of further escalation.

Another U.S. official, speaking anonymously, said early assessments indicated that Iran may have launched attacks against three commercial ships. However, investigations into the incidents remained ongoing, and responsibility had not been officially confirmed.

The Strait of Hormuz remains at the center of global energy concerns. Located between Iran and Oman, the narrow waterway serves as one of the world’s most important oil and liquefied natural gas shipping routes. Before the conflict began, approximately one-fifth of global energy shipments passed through the strait each day, making any disruption a major threat to international markets.

A prolonged interruption to shipping activity could send energy prices higher, increasing costs for consumers, businesses, and governments already dealing with elevated fuel expenses. Higher oil prices could also complicate efforts by central banks to control inflation by increasing pressure on transportation and production costs.

For Iran, oil exports remain a vital economic lifeline. Despite years of U.S. sanctions, Tehran has continued to sell significant volumes of crude, generating billions of dollars in revenue that support government spending and help sustain an economy weakened by international restrictions.

In recent years, Iran has managed to expand its oil shipments despite sanctions, with China becoming one of the country’s most important buyers. Revenue from crude exports has provided Tehran with a critical source of foreign currency and economic support.

Oil prices had fallen sharply following the agreement reached between the United States and Iran last month, as investors assumed that diplomatic progress would reduce the risk of supply disruptions and allow more oil to return to global markets.

However, analysts warned that the latest developments suggest markets may have underestimated the fragility of the ceasefire and diplomatic framework. The renewed sanctions and shipping incidents have forced investors to reconsider the risks surrounding Middle East energy supplies.

Energy analysts said the market had largely priced in expectations that tensions would continue to ease, but the latest escalation indicates that additional risk may need to be reflected in oil prices. Investors are now closely watching developments in the Strait of Hormuz, U.S. policy decisions, and the future of negotiations between Washington and Tehran.

With oil markets already sensitive to supply disruptions, any further military escalation could have significant consequences for global energy prices, inflation trends, and financial markets.

Original article