Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com. The Ukrainian medic who helped smuggle footage of Russia's attack on Mariupol out of the country has been freed from Russian captivity, Ukrainian President Volodymyr Zelenskyy announced. Yuliia Paievska, who is known in Ukraine as simply Taira, her character name from the World of Warcraft video game, was freed by Russian forces on Friday, three months after she was initially taken captive. Taira's husband, Vadim Puzanov, told The Associated Press he was relieved his wife would soon be home.

We used facial recognition analysis on the interviewees in the videos - using a computer algorithm to compare their images to a huge number of photos of people's faces - to see whether they had featured in other videos during the conflict but could not find any matches.

Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com. The Pentagon announced Thursday that it will deliver over 120 "Phoenix Ghost" drones specifically designed by the U.S. Air Force for Ukrainian "needs" as the war with Russia ramps up. U.S. defense officials have warned that Russia's invasion in the eastern Luhansk and Donetsk regions will be a more brutal fight as Moscow "shapes" its new strategy in the Donbas region to address specific terrain challenges. A senior defense official told reporters Thursday that the "Phoenix Ghost" is a tactical unmanned aerial system that "was rapidly developed by the Air Force in response specifically to Ukrainian requirements."

The United States said Tuesday it has "credible information" that Russia may use "chemical agents" in its offensive to take the besieged Ukrainian city of Mariupol, reigniting concerns about the use of such prohibited weapons. While the West and Kyiv have been warning Moscow since the start of its invasion on February 24 against any use of chemical weapons, fears have grown this week after unconfirmed reports emerged that such weapons may have already been deployed. The Organization for the Prohibition of Chemical Weapons (OPCW) said Tuesday that it was "concerned" by allegations that chemical weapons had been used in Mariupol, a strategic port city besieged by Russian forces in the east of Ukraine and the scene of heavy fighting. The OPCW, to which both Russia and Ukraine belong, referred to "accusations leveled by both sides around possible misuse of toxic chemicals." The Ukrainian Azov battalion, which is engaged in the defense of Mariupol, said Monday that a Russian drone had dropped a "poisonous substance" on soldiers and civilians in Mariupol.

Kids play on retro computers in the IT 8-bit museum in Mariupol, Ukraine before it was attacked. Kids play on retro computers in the IT 8-bit museum in Mariupol, Ukraine before it was attacked. Nearly two decades ago, Dmitriy Cherepanov started a collection of retro computers in Mariupol, Ukraine, that grew into an internationally-known assemblage of historic machines, housed in a private museum he called IT 8-bit. Russia's campaign to take over his city in southeast Ukraine has killed at least 2,000 civilians, destroyed most of the city's homes and turned Cherepanov's beloved computer museum into rubble. "I'm very upset," Cherepanov, 45, told NPR. "It's been a hobby of my life."

Video shows destroyed blocks of flats and a shopping mall in the besieged Ukrainian port city.