Foreign Minister Hakan Fidan warns Israel could act as spoiler, flags nuclear dispute and Hormuz tensions as key hurdles

Here are details on the planned blockade and its implications for oil markets.

Brent crude futures gained $7.03, or 7.4 percent, to $102.23 a barrel by 0810 GMT

Both the Iranian and American delegations departed Pakistan without a deal

Wall Street Journal reported on Sunday, citing officials and people familiar with the matter.

US President Donald Trump said Sunday he does not care if Iran comes back to negotiations with the United States after talks in Pakistan failed to produce a deal.

President Donald Trump said yesterday the US Navy would immediately start blockading the Strait of Hormuz, raising the stakes after marathon talks with Iran mediated by Pakistan failed to reach a deal to end the war, jeopardising a fragile two-week ceasefire.

Any Iranian firing at American vessels will be 'blown to hell', he says

Iran's foreign ministry said no one had held any expectation that talks with the United States could have reached an agreement within one session after the negotiations in Islamabad stalled on Sunday.

Ishaq Dar insists US-Iran must uphold ceasefire agreement, after talks to end war in the Middle East ended without agreement

"Unreasonable demands of the American side prevented the progress of the negotiations," IRIB said on Telegram

The US and Iranian delegations have left Islamabad to return home, Pakistani sources told Reuters.

The face-to-face talks between the American and Iranian delegations in Pakistan continued till early today, the most significant engagement since the 1979 Islamic revolution, to end a war that plunged the Middle East into violence and rocked the world economy.

Three supertankers passed through the Strait of Hormuz yesterday, shipping data showed, marking what appeared to be the first vessels to exit the Gulf since the US-Iran ceasefire deal.

Two rounds of talks were held between Iranian and US officials in Pakistan

Iran’s imposition of a toll for ships to pass through the Strait of Hormuz looks set to be a key point of contention at talks opening in Pakistan.

Two rounds of talks have taken place between Iranian and US officials in Pakistan

Calls for Hormuz reopening and lasting regional security deal

White House says Vice President JD Vance, Steve Witkoff and Jared Kushner join direct discussions

Each vessel is capable of carrying 2 million barrels of oil