Russia reportedly has deployed a new battle tank in Ukraine that the United Kingdom Ministry of Defense suggests commanders will be "unlikely to trust" in combat. 

The T-14 Armata, which has an unmanned turret and is operated by a crew remotely controlling its armaments from "an isolated armored capsule located in the front of the hull," has started firing at Ukrainian positions, Reuters reported, citing the Russian state-run RIA Novosti news agency. 

State media said the new tanks have "not yet participated in direct assault operations," but have undergone "combat coordination" at training grounds within Ukraine and are being defended with extra protection on their flanks, Reuters added. 

However, the U.K. Ministry of Defense says rolling out the new tanks is "likely to be a high-risk decision for Russia." 

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"Eleven years in development, the program has been dogged with delays, reduction in planned fleet size, and reports of manufacturing problems," it said in a series of tweets in late January. 

"An additional challenge for Russia is adjusting its logistics chain to handle T-14 because it is larger and heavier than other Russian tanks," it tweeted. 

"If Russia deploys T-14, it will likely primarily be for propaganda purposes," it added. "Production is probably only in the low tens, while commanders are unlikely to trust the vehicle in combat." 

Moscow first ordered production of 2,300 of the tanks by 2020, but that goal has since been pushed back to 2025, Reuters reported, citing Russian media. 

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In December 2021, the Interfax news agency said the Russian state-owned conglomerate Rostec had started working on building around 40 of the tanks with an expected delivery after 2023, according to Reuters. 

The T-14 reportedly can reach a max speed of 50 mph. 

News of the deployment Tuesday came as Putin ally and former Russian President Dmitry Medvedev said in Moscow that "the world is sick and quite probably is on the verge of a new world war." 

Medvedev, who is currently the deputy chairman of the Security Council of the Russian Federation, added that concerns about a nuclear conflict are more serious than worries about climate change, according to Reuters. 

"If the United States continues to follow its current course of confrontation with Russia, with the stakes constantly escalating on the verge of sliding into direct armed conflict, then the fate of START [nuclear arms treaty] may be a foregone conclusion," Vladimir Yermakov, who leads the Russian Foreign Ministry’s Non-Proliferation and Arms Control Department, also was quoted by the news agency as saying Tuesday. 

Sen. Joe Manchin, D-W.Va., was criticized on Twitter after he threatened to repeal President Biden’s Inflation Reduction Act Monday night despite being the deciding vote in its passing.

During a segment of "Hannity," Manchin accused the Biden administration of "breaking its word" on the legislation in its pursuit of a "radical climate agenda." He said he would do "everything" in his power to stop them — which included a threat to eliminate the law.

Manchin shared a video of the segment online saying: "The Biden administration is breaking its word to the American public by ignoring the text of the Inflation Reduction Act to pursue its radical climate agenda."

He added: "Let me be clear: if this continues, I'll do everything in my power to stop them — including voting to repeal the IRA."

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Several people who responded to Manchin were quick to point out that he ultimately was the reason the IRA passed in the first place.

"You gave them the deciding vote to do it and now are trying to pretend every bit of damage it causes isn’t your fault," Republican communication strategist Matt Whitlock said in response.

"Lol dude you did this," Daily Signal columnist Tony Kinnett responded.

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"You could have stopped it," another user responded.

Another said: "You literally made this mess Joe."

"Your fault man. Yours," said a user.

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Whitlock also shared a video of Fox News’ "Sunday Morning Futures" host Maria Bartiromo, who asked Manchin during an interview if he regretted voting for the Inflation Reduction Act.

During the interview, the Democrat said: "No, not at all. The 'Inflation Reduction Act' will be the most transformative bill that we've ever had in the United States Congress as far as I’ve been there."

The IRA cleared the U.S. Senate on Aug. 7, 2022, after Manchin supported the bill and forced a 50-50 tie. The tie was then broken by Vice President Kamala Harris, and it cleared the chamber with a vote of 51-50.

Biden signed it into law later that same month, on Aug. 16.