EL PASO, Texas (AP) — U.S. Border Patrol agents launched pepper balls at a group of migrants who crossed the U.S.-Mexico border along the Rio Grande in El Paso after the agency said one person ...

Pepper balls are similar to paintballs but are filled with a version of oleoresin capsicum (OC) spray, otherwise known as pepper spray. Neufeld also said flash-bangs were not used by police.

The Coast Guard fired warning rounds and pepper balls at a boat that crossed into U.S. territory with no lights then attempted to flee off the coast of Imperial Beach on Saturday.

Federal officers and Tukwila police used chemical agents, flash bangs and pepper balls on a crowd of about 150 people Saturday who showed up to protest an unusual check-in procedure for immigrants.