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potential for instability in russia. >> norah: deadly storms and tornadoes hit the south and midwest, as 57 million americans brace for more dangerous weather. >> large hail, wind damage with power outages, and the flood threat. >> excessive heat watches and warnings have expanded. >> three san antonio police officers have been charged with murder. >> for the way they handled the call involving 46-year-old melissa perez. >> the shooting officer's actions were not consistent with sapd's policy and training. >> somebody came down and said we lost comm. >> for the first time, we are hea...

negotiations after all sides had sounded optimistic. late word they're set to reconvene. what the two sides are demanding with the american people caught in the middle. alt of it overshadowing the g7 in japan where there is major news. president biden giving the green light to allies to send f-16 fighter jets to ukraine. plus, president zelenskyy set to make an appearance with those world leaders this weekend. also tonight, the severe storm threat in the plains and the south. 13 million at risk of hail, heavy storms, even tornadoes. behind bars, the air national guardsman accused...

both sides about when is his next court date, and when could he stand trial our full coverage. also tonight, the dangerous tornado threat more than 40 million on alert in the south and midwest, including areas still reeling from deadly storms al roker is here for the first time the officers who took down the nashville school shooter speak out. what went through their minds as they raced toward the gun fire and the uconn huskies winning it all in the family dynasties "inspiring america. >> announer: this is "nbc nightly news" with lester holt good evening, and welcome. it was ...

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