The number of U.S. mass killings linked to extremism was at least three times higher in the last decade than the total from any other 10-year period since the 1970s.

The white gunman charged with killing 10 Black people in a racist mass shooting at a Buffalo supermarket pleaded not guilty to federal hate crime charges punishable by the death penalty.

Store associates are handing single carnations to customers as they enter the newly reopening Tops Friendly Market where 10 Black people were slain by a white gunman.

The names of the 10 Black people massacred by a white gunman were read aloud outside the Buffalo supermarket where they died, two months after the racist attack.

A week filled with goodbyes continues for family and friends of victims of the racist attack on a supermarket in Buffalo, New York.

Shortly before police say he opened fire, the white gunman accused of killing 10 Black people at a Buffalo, New York, supermarket allowed a small group of people to see his long-simmering plans for the attack, which he had been chronicling for months in a private, online diary.

The 10 people shot and killed in a supermarket in Buffalo, New York, were caregivers and protectors and helpers.

On Saturday, 10 people were killed and three were wounded in a shooting at a supermarket in Buffalo, New York.