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

I'm Gareth Barlow, and in the early hours of Wednesday,

the 30th of August, these are our main stories.

The Russian mercenary boss, Yavgeny Pregogin,

has been buried during a private ceremony in St. Petersburg.

The U.S. state of Florida braces for the arrival of Hurricane Adalio,

which is being described as a potential once-in-a-lifetime event.

And the authorities in Nigeria arrest dozens of men

under anti-LGBT laws.

Also in this podcast, why a watermark might help us determine

between AI and authentic art and...

Could a bit of Mozart help reduce pain in babies?

We go first to St. Petersburg, where a week after he and nine others died in a plane crash.

The Wagner-Murcery chief, Yavgeny Pregogin, has been buried in a private funeral.

The man who was once a key ally of Vladimir Putin had also become a vocal critic

and dared to challenge the Kremlin.

His demise after launching a brief mutiny was swift.

Our Russian editor, Steve Rosenberg, has been to the site where he was buried.

I'm standing outside a cemetery on the edge of St. Petersburg.

There is heavy security here, police all along the perimeter,

and inside the cemetery itself, which means we can't go in.

Earlier today, Yavgeny Pregogin was buried here.

...