Oil extends gains after new Iran threat to Gulf shipping

In afternoon trade in Asia, Brent crude was around 3.2% higher at more than $80 (£59.67) a barrel, while US-traded oil was up by about 2.6%.

Asian stocks also continued to fall on Tuesday as investors weigh the impact of the conflict on the financial markets.

Speaking on state TV, Ebrahim Jabbari, who is an adviser to the Commander-in-Chief of Iran's Islamic Revolutionary Guard Corps (IRGC), said ships "should not come to this region. They will certainly face a serious response from us."

Shipping through the Strait of Hormuz is crucial to the global economy, with about 20% of the world's oil and gas passing through it. But shipments have come to a halt after several vessels were attacked in recent days.

As well as pushing up prices on global energy markets, the conflict has triggered a rise in how much its costs to transport oil.

The cost of hiring a supertanker to move oil from the Middle East to China reached an all-time high on Monday of more than $400,000 (£298,300).

That is almost double what it was last week, according to data from the London Stock Exchange Group.

Trump is scheduled to meet Treasury Secretary Scott Bessent and Energy Secretary Chris Wright on Tuesday.

Secretary of State Marco Rubio said Washington will announce plans to deal with rising energy prices.

"We knew that going in would be a factor," Rubio told reporters of rising oil prices.

"Starting tomorrow you will see us rolling out those phases to try to mitigate against that."

Major stock exchanges in Asia fell for a second day on Tuesday as investors weigh the impact of the war.

Japan's Nikkei closed 3.3% lower, with shares in export‑reliant firms like Toyota, Panasonic and Sony among the hardest hit.

Hong Kong's Hang Seng and the Shanghai Composite in mainland China were also down.

The Kospi in South Korea, which was shut for a public holiday on Monday, fell by more than 7%.

Seoul's export-driven economy is especially vulnerable to geopolitical events, with shares of leading firms Hyundai, Samsung and chip company SK Hynix falling by 10%.