Biden considering sending troops to Eastern Europe: Report.

ABC News' Rick Klein discusses the possibility of sending U.S. troops to Russia and the continuing talks Secretary of State Antony Blinken is having with officials in Russia and Ukraine.

Watch video on channel "ABC News"
What we know about the alleged gunman in the Buffalo shooting.

What we know about the alleged gunman in the Buffalo shooting.

Payton S. Gendron appears to have been motivated by hate, law enforcement said.

ABC News Live: Biden, first lady to travel to Buffalo following mass shooting.

ABC News Live: Biden, first lady to travel to Buffalo following mass shooting.

Plus, Ukrainian forces say they have pushed Russian troops out of the Kharkiv region, and families across the country struggle to find baby formula.

1 million lives lost to COVID-19

1 million lives lost to COVID-19

Dr. Paul Offit, director of the Vaccine Education Center at the Children’s Hospital of Philadelphia, discusses how science gave the world its best weapon against COVID.

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Buffalo supermarket suspect charged with 1st degree murder, pleads not guilty.

Buffalo supermarket suspect charged with 1st degree murder, pleads not guilty.

Criminal defense attorney Bernarda Villalona discusses the U.S. Justice Department's investigation into the Buffalo mass shooting as a “hate crime and an act of racially motivated violent extremism.”

Family member of Buffalo mass shooting victims breaks down in sobs.

Family member of Buffalo mass shooting victims breaks down in sobs.

The presser was for the family of Ruth Whitfield, who was killed in the shooting that claimed 9 other lives