Kim Vinnell

Hi, I'm Kim Vinnell in Whanganui, New Zealand.

It's Tuesday, March 24th, today.

Investigators turned to the air traffic controller on shift during a fatal plane-firetruck crash at LaGuardia.

Trump and Iranian officials contradict each other over whether talks to reach an end to the war are happening at all.

ICE gets deployed to help TSA agents.

And Danes head to the polls in an election clouded by Trump's Greenland ambitions.

This is Reuters World News, bringing you everything you need to know from the front lines in 10 minutes, seven days a week.

In New York, an Air Canada plane, its crushed cockpit pointing to the sky, remains on the tarmac at LaGuardia.

CCTV shows the moment the Air Canada regional jet collided with a fire truck on the tarmac, sending both skidding across the runway in a cloud of smoke.

Investigators say they want to speak to an air traffic controller who was juggling another emergency in the run-up to the crash.

Audio of air traffic control from that night records the fire truck being cleared to cross the runway.

Both pilots were killed.

Now, here's an exchange between an air traffic controller and a pilot waiting on a nearby runway.

It's unclear which exact incident this controller and pilot are talking about, but just minutes before the Air Canada crash, the air traffic controller who had cleared the flight for landing had been trying to find a gate for a United Airlines flight, which was about to declare an emergency over an onboard smell, which was making flight attendants sick.

That's according to a recording of air traffic communications on a public website.

The crash comes at a time when US airports face chronic shortages of air traffic controllers, although officials say that wasn't the case at LaGuardia.

Here's aviation industry reporter David Shepardson.

We'll have more on the airport chaos elsewhere in the US a little later in the podcast.

Now, though, to the war in Iran and literal opposite statements from Tehran and Washington about whether negotiations to end the conflict are, in fact, underway.

Trump, speaking at an event in Memphis on Monday, said major points of agreement have been reached.