This is the Global News Podcast from the BBC World Service.

I'm Nick Miles, and in the early hours of Saturday the 23rd of August, these are our main stories.

Aid agencies say Palestinians in Gaza City, where famine has been declared, are too exhausted to flee Israel's promised offensive.

FBI agents have searched the office and residents of John Bolton, Mr. Trump's

former national security adviser, turned vocal critic. Also in this podcast, the head of NATO

has called for robust security guarantees for Ukraine. And scientists discover a new species of dinosaur

with a spiky sail along its back and tail.

This was a fairly large herbivore,

probably walking around on four feet most of the time,

but could probably raise up onto two if it needed to.

An entirely man-made famine is taking place in Gaza City.

That's according to the UN-backed global hunger monitoring body, the IPC.

It's the first time famine has been officially classified in the Middle East.

The IPC, which monitors hunger around the world,

found that 130,000 children are now at risk of dying from malnutrition. The organisation also says

that over half a million people across the Gaza Strip are facing starvation, destitution and death.

Aid workers in the territory say exhausted and starving Palestinians will struggle to meet Israel's

evacuation orders for Gaza City.

For those living there, today's announcement comes as no surprise.

We fight every day just to get life basics like food, clean water, hygiene, stuff, medications

or even the feeling

of security and peace. While children outside Gaza want to eat an ashtream instead of an apple,

...