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

Hello, I'm Oliver Conway.

We're recording this at 13 hours GMT on Tuesday, the 25th of April.

Joe Biden confirms that he's running again for US President,

setting up a likely rematch against Donald Trump.

Scientists sound the alarm as sea temperatures hit a record high.

And despite some gunfire, the three-day ceasefire in Sudan appears to be largely holding.

Also in the podcast, South Korea welcomes a massive investment by Netflix.

And...

..with help from Adele, US late-night TV star James Corden,

bows out from Carpool karaoke.

..

By the age of 80, many people have long since settled into retirement,

enjoying hobbies, a spot of travel or just spending time with loved ones.

But Joe Biden, already the oldest president in US history,

is instead gearing up for another grueling election campaign.

He launched his 2024 re-election bid a couple of hours ago with a highly-produced video.

When I ran for president four years ago,

I said we're in a battle for the soul of America, and we still are.

The question we're facing is whether in the years ahead,

we have more freedom or less freedom.

More rights are fewer.

...