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A Metro transit system employee in Washington, DC, was shot and killed trying to stop a gunman from targeting commuters Wednesday morning, police say.

National Football League executive and Pro Football Hall of Famer Bobby Beathard has died at the age of 86 following a lengthy illness, the Hall and two teams announced on Wednesday.

Two witnesses in the Alex Murdaugh murder trial told the court Wednesday they are "100%" certain that Murdaugh's voice is on footage prosecutors say undermines the disgraced former South Carolina attorney's claim that he was not present at the scene of the killings of his wife and son. CNN's Randi Kaye has the story.

Andrew Tate, the controversial former kickboxer turned social media influencer, and his brother Tristan have lost their appeal and will remain in detention in Romania on allegations of human trafficking and rape, CNN affiliate Antena 3 reported Wednesday.

The powerful AI tool ChatGPT is already raising concerns that the technology could encourage cheating and help pass off a few seconds at the keyboard as hours of research and writing. 22-year-old Princeton University student Edward Tian developed an app called GPTZero for detecting AI-generated text. He joins CNN's Anderson Cooper to explain how it works.

Nikki Haley, former UN Ambassador and former Governor of South Carolina, is expected to announce her bid for president in 2024, which would make her the first Republican to run against former President Donald Trump. CNN's Kylie Atwood reports.

The US military will gain access to four more bases in the Philippines under an agreement announced as US Defense Secretary Lloyd Austin visited Manila on Wednesday.

Attorneys for Hunter Biden on Wednesday asked state and federal agencies to investigate a computer repair shop owner, Rudy Giuliani and number of right-wing political figures involved in disseminating contents of his laptop, alleging that they committed computer and other criminal violations in their effort to "weaponize" the laptop contents against his father.

Treacherous road conditions are now linked to three deaths in Texas as a fresh wave of ice and sleet hammer parts of the southern and central US.

Russian opposition leader Alexey Navalny has been moved to harsher conditions. His daughter, Dasha, tells Anderson Cooper about his serious health concerns. The CNN Film "Navalny" is available now on CNNgo and HBO Max.

Prosecutors in the murder trial of Alex Murdaugh played footage in court Wednesday that could undermine the disgraced former attorney's claim he was not present at the scene of the killings when his wife and son were murdered.

The daytime TV show "Dr. Phil" is coming to an end after more than two decades on the air. CBS said it will launch a new "strategic prime-time partnership" with the longtime host in early 2024.

The Las Vegas Metropolitan Police Department released security and body camera footage of an officer and a vacationing bystander pulling an unconscious man from a burning car.

The conspiracy theories about the October attack on Paul Pelosi never made sense. And now the public can see that a whole bunch of these false claims have been definitively disproven by audio and video evidence.

President Joe Biden and House Speaker Kevin McCarthy are meeting on Wednesday -- the first such gathering since the California Republican won the speakership after Republicans took over the House majority.

• Analysis: What to make of the US military's movements in the Pacific and a general's wild warning about war • Senators call on Biden to delay F-16 jet sale to Turkey until Finland, Sweden allowed into NATO

In the town of Krasnohorivka, grim Soviet-era apartment buildings stand nearly but not quite empty, with only a few residents remaining. Blocks on the southern edges of town are burned shells, windows shattered and awnings dangling in the winter breeze. Houses are largely shuttered; their tenants long gone. The central square is abandoned and eerie.

After the hoopla Netflix unleashed with "Tiger King," its latest docuseries oddity might involve a different four-footed creature. Like that earlier sensation, "Gunther's Millions" is really about the strange people featured, but its true insights expose how gullible media can be taken in by a too-good-to-be-true (or too-fun-to-fact-check) story -- in this case, a German shepherd with a $400-million trust fund.

Dave Bautista is looking for his next role, and he'd love for it to be a chance to show off his softer side.