Jeanette Jalil

But given the disastrous outcome of that war...

and Iran's refusal to make any real concessions to the Trump administration, senior figures in the US military are reported to be deeply concerned that Mr Trump might start another long-drawn-out conflict in the Middle East.

Our North America correspondent Anthony Zerker explained to Nick Robinson what's been going on.

Anthony Zerker.

But the standoff with Iran is not Mr Trump's only worry.

His tariffs were ruled illegal by the US Supreme Court last week.

To try to get round this, the Trump administration has brought in a new flat rate tariff of 10% on global imports.

Mr Trump has threatened to raise the new import tax even further to 15%, but has not yet done so amid concerns that US allies would be hit the hardest.

Theo Leggett reports.

Theo Leggett.

And for more on this story, you can go onto YouTube, search for BBC News, click on the logo, then choose Podcasts and Global News Podcast.

There's a new story available every weekday.

China has imposed restrictions on dual-use exports to major Japanese industrial companies, accusing them of helping to build up Japan's military capabilities.

Components which have a civilian application but can also be used in military equipment will either be blocked from sale or require specific clearance for export.

It's the latest escalation in a row that was triggered last year when the Japanese prime minister angered China by saying that Tokyo could use its military to defend Taiwan against attack.

More from Stephen McDonnell in Beijing.

Stephen McDonnell.

Mexico, under pressure from the Trump administration to act against drug gangs,

took decisive action over the weekend, arresting the leader of the powerful Jalisco New Generation cartel.

In the shootout, the drug lord known as El Mencho was wounded and later died.