JOHN YANG: In other news, the popular social media app TikTok says it will go dark for its 170 million users tomorrow, but it may only be for a day.

President-elect Trump said he will most likely give the app a 90-day reprieve from a law banning it once he takes office on Monday.

That came in a phone interview with NBC News.

Despite that, TikTok says it wants further assurances from the Biden administration since it will be in charge tomorrow when the ban is to take effect.

Work is underway to move President-elect Trump's inauguration into the Capitol Rotunda because of sub-freezing temperatures.

It's the first time the ceremony will be held indoors since 1985.

As screw prepare the Capitol, Mr. Trump left his Mar-a-Lago resort headed for Washington.

He's to watch a fireworks show at Trump National Golf Club in Sterling, Virginia this evening.

He'll spend tonight and tomorrow night at Blair House across from the White House.

Meanwhile, thousands brave cold and wet conditions in downtown D.C. to express their anger and disappointment about the incoming administration.

Russian drones and missiles attack the Ukrainian capital, Kyiv, overnight as the future of U.S. aid to the country under the new administration remains uncertain.

At least three people were killed and three more injured.

A metro station and a water pipeline were among the targets hit.

Other regions of the country were also targeted with missiles and drones, some of which the Ukrainian army said it shot down.

The deadly fires in Los Angeles are far from over, despite improving conditions.

The larger of the two remaining blazes, the Palisades Fire, is only 43 percent contained.

This as new reporting shows evacuation orders didn't reach Palisades residents until 40 minutes after homes were already on fire.

That's according to an Associated Press analysis of emergency communications.

And artists in this city known for creativity and entertainment say they've lost their livelihoods, too.

ARIEL PITTMAN, Art Gallery Director: Our primary goal is getting people like triage money for just whatever the most emergent need is.

I don't have any clothes anymore.

I left with two pairs of socks.

My credit card needs to be replaced, and I need to set up a P.O.

Box to receive mail while I'm kind of bopping around temporary housing.

JOHN YANG: The Palisades and Eaton fires have burned more than 40,000 acres.

In all, they're blamed for at least 27 deaths, a number that's expected to go up.

Still to come on PBS News Weekend, the new reason why the family of Ethel Rosenberg is pushing the White House to exonerate her more than 70 years after her execution and how a decades old study continues to cast a shadow on hormone therapy treatment for women experiencing menopause.