David Muir, ABC's World News Tonight, America's Most Watched newscast, now streaming same day with all the breaking news of the day on Disney Plus, most watched, most trusted.

Now on Disney Plus every night.

Tonight, several developing stories as we come on the air. Police intensifying their search for Nancy Guthrie,

conducting new search warrants at a home and SUV. The new report alleging a rare poison was used to kill a Russian opposition leader,

and the latest fallout from the Epstein files, why a top Hollywood agent is selling his company.

First, a flurry of activity in the search for Savannah Guthrie's

mother, Nancy. Officers converge on an Arizona neighborhood, a SWAT team entering a home,

and a separate search of a range rover. Agents appear to detain a driver, but no sign of

Guthrie two weeks after she went missing from her home in Tucson. And tonight, what authorities

have learned from

surveillance video of this person of interest? The new report on the death of Alexei Navalny in a

Russian prison. European allies now say Russia likely used poison from a South American frog

to kill the opposition leader, reaction from his widow, and the news coming as Russia steps up its attacks on Ukraine.

Outrage over the Jeffrey Epstein files reaching Hollywood, top agent Casey Wasserman now selling

his agency after big-name artists, including Chapel Rhone, split from the company.

The provocative messages that Wasserman sent to Epstein Associate Ghilene Maxwell,

plus how Epstein emails led to a shake-up at a major Wall Street firm.

The severe weather threat this weekend stretching from Houston to the Florida panhandle

and more snow coming to the northeast, including New York City.

Yet another partial government shutdown, funding halted for homeland security as Democrats try to put new limits on immigration enforcement, the big changes they're calling for.

TSA employees among the federal workers caught in the middle, potential travel disruptions on the horizon.

The urgent rescue, a child pulled from icy waters, how a teenager jumped into action.

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