CHARLOTTESVILLE, Va. (AP) — A car plowed into a crowd of people peacefully protesting a white nationalist rally Saturday in a Virginia college town, killing one person, hurting at least two dozen more and ratcheting up tension in an increasingly violent confrontation.

A helicopter crash that killed the pilot and a passenger later in the afternoon outside Charlottesville also was linked to the rally by State Police, though officials did not elaborate on how the crash was connected.

The chaos boiled over at what is believed to be the largest group of white nationalists to come together in a deca...