The United States is set to launch an operation to guide stranded ships out of the Iran-controlled Strait of Hormuz, with President Donald Trump announcing the initiative on social media.
Under the plan, dubbed "Project Freedom," US representatives will work with neutral and innocent countries to safely escort their ships through the disrupted route.
Talks between the US and Iran have remained deadlocked since a ceasefire took effect on April 8, with Iran's grip on the strategic strait following US-Israeli strikes on Tehran.
Oil prices steadied as traders questioned the feasibility of Trump's plan, with a tanker reportedly struck in the region.
A senior Iranian official warned of a renewed conflict with the US, citing evidence that the US is not committed to any promises or agreements.