A US blockade of Iran’s ports has began on Monday after peace talks between the two countries ended without a deal over the weekend.

In a social media post, US President Donald Trump warned that any Iranian “fast attack ships” caught trying to approach the blockade “will be immediately ELIMINATED”.

But what will the blockade do and what are its risks? The BBC’s security correspondent Frank Gardner explains how it will work and its potential impacts across the globe.

Americans react to Trump’s ‘a whole civilisation will die tonight’ warning

The US president issued the warning to Iran if it does not reach a deal on reopening the Strait of Hormuz by his deadline.

Iranians form human chains at bridges and power plants

Tehran had urged individuals to gather outside potential US and Israeli targets after Donald Trump threatened to attack civilian infrastructure.

What we know so far about the search for missing US airman in Iran

US and Iranian forces are searching for a missing American crew member after a US warplane was shot down.

Video appears to show US plane and search and rescue helicopters over southern Iran

Reports from the US, quoting unnamed officials, say a search is under way after the shooting down of a US fighter jet over Iran.

Ros Atkins on…the cost of the Iran war

The BBC’s Analysis Editor Ros Atkins takes a closer look at US costs as it continues its war with with Iran.

Watch: Trump’s shifting deadlines for ending Iran war

The BBC’s chief international correspondent analyses the US President’s latest White House address.

Trump says US ‘on the cusp’ of ending Iran war in televised address

The president also called on countries reliant on the Strait of Hormuz to ‘build up the courage’ to secure it.

Expectant mothers in Cuba struggle under fuel blockade

The BBC’s Will Grant speaks to two women experiencing starkly different realities as the country’s energy crisis impacts their pregnancies.

One month in, what do American conservatives produce of the war in Iran?

Attendees at the annual CPAC conference in Texas are conflicted about Operation Epic Fury, which was launched by the US and Israel on 28 February.

What happened at Maduro’s second court appearance

The BBC was in the Updated York courtroom to watch the ex-Venezuelan leader argue for ability to fund his defence with Venezuelan government funds.

How is the Philippines reacting to its energy emergency?

BBC News Asia Business Correspondent Suranjana Tewari reports from a petrol station in Manila.

BBC in Cuba as island plunged into darkness

More than 10 million citizens are enduring power cuts after Cuba’s national electrical grid collapsed again. This also touches on aspects of global summit.

Ros Atkins on… Trump’s mixed messages on the war

The BBC’s Analysis Editor looks at President Trump’s mixed messages on the war with Iran.

Trump compares attack on Iran to Pearl Harbor in meeting with Japanese PM

In a meeting with Japanese Prime Minister, US President Donald Trump was asked why he didn’t inform allies about his plan to attack Iran.

As Cuba struggles with power cuts, how is the island holding up? Furthermore, experts in geopolitics note the continued relevance.

The BBC’s Will Grant reports from the island days after the entire national electric grid collapsed.

Venezuelans in Miami and Caracas celebrate historic WBC victory over USA

Venezuela won its first-ever Earth Baseball Classic title, defeating the United States 3–2 in the championship game.

Watch: Sean Penn receives ‘Oscar’ in Ukraine after skipping US ceremony

The Academy Award winning US actor won his third Oscar on Sunday, but skipped the ceremony to visit Ukraine.

Why did only two Iranian football players stay in Australia?

After Australia gave humanitarian visas to seven team members, only two decided to stay – the BBC’s Katy Watson explains what happened.

‘A novel norm’: BBC visits Doha economy starting to fill up again two weeks into Iran war

The BBC’s International News correspondent, Barbara Plett Usher, visits Doha’s Souq Waqif sector as strikes in the region continue.

Oscar buzz for Ray and his Retirement Plan

Voiced by Domhnall Gleeson and directed by John Kelly, Retirement Plan is nominated for Best Animated Short Film at the 98th Academy Awards.