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

I'm Valerie Sanderson, and in the early hours of Tuesday, the 26th of September,

these are our main stories. There are growing humanitarian concerns as the ongoing

exodus of ethnic Armenians from Nagorno-Karabakh causes chaos.

Kyiv claims the admiral in charge of Russia's Black Sea Fleet

died following Ukraine's recent attacks in occupied Crimea.

Also, it's a windfall. It's on hand. It's money that they've got by accident.

And of course, it adds up to at least a trillion in windfall profits.

Gordon Brown, the former British Prime Minister, wants oil rich nations to pay a

windfall tax to fund the climate change needs of developing nations.

Also in this podcast, we get a rare glimpse at what's thought to be the biggest

contemporary piece of art in the world in the Nevada desert.

If someone said something that aliens created, I'd be like, yes, I see that.

That makes sense. Or if they said it was like an ancient civilization that created it,

I'd be like, yes, that makes sense.

And could scientists have cracked a perennial problem?

How do you get rid of spelling garlic breath?

We start in Nagorno-Karabakh, where Mundi saw scenes of panic and confusion,

as more ethnic Armenians tried to flee the disputed territory,

which Azerbaijan forces seized control of last week.

Long lines of traffic continued to clog the road to Armenia,

and there were chaotic scenes at a registration point just across the border.

...