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

I'm Nick Marz, and in the early hours of Tuesday, the 21st of January, these are our main stories.

Donald Trump has been inaugurated as US president for the second time,

completing an extraordinary political comeback.

He said he'd immediately start signing orders to prevent illegal migration,

encourage oil exploitation and scrap government diversity programs.

In other news, a Palestinian minister says he and his colleagues are ready to go back and run Gaza.

If we are looking for rebuilding Gaza or rehabilitating Gaza, then the Palestinian Authority

should be there. There are reports that fighting between the army of the Democratic Republic of Congo

and M23 rebels has forced tens of thousands of people to flee the east of the country. And American

researchers have published the results

of their first study into how weight loss drugs affect the body. He's back. The second Trump

era has begun in America. With a mixture of the usual formalities modified for Washington's

current sub-zero temperatures and a flurry of last-minute mixture of the usual formalities modified for Washington's current sub-zero temperatures

and a flurry of last-minute pardons and first-day executive orders by the two presidents to hold office on the same day.

Those formalities are still taking place, but it was an inaugural address by the new president that attracted much of the attention.

It was given not as usual on the steps of the Capitol building, but inside in the rotunda.

The first time an inauguration has been held there since the second time Ronald Reagan took the oath of office in 1985.

James Kumar Osami looks back at the day's events.

This is the sound of all of us. in 1985. James Kumar-Assami looks back at the day's events.

Inside the rotunda, a choir performed for the arriving guests as the President-elect was popping into the White House for the briefest

of handovers.

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