Saturday marked the last funeral for victims of a racist attack on Black people at a Buffalo supermarket, with a service that became a call to action and an emotional plea to end the hate and violence that has wracked the nation.

The funeral for 86-year-old Ruth Whitfield — the oldest of the 10 Black people who were killed — included a speech by Vice President Kamala Harris, who attended the service at Mount Olive Baptist Church in Buffalo, New York. She addressed mourners at the insistence of Rev. Al Sharpton, and said this is a moment in time for "all good people" to stand up to the injustic...