Hundreds of incidents of harassment and intimidation have been reported across the country since Election Day. Below are just a few:

• In Wellsville, N.Y., a softball dugout was spray-painted with a swastika and the words “Make America White Again.”

• At the University of Pennsylvania, black students were added without their permission to a group text-messaging chat about “lynching” using the app GroupMe. The creators of the group scheduled a a “daily lynching” through the app’s calendar.

• At York County School of Technology in York, Pa., white students walked through hallways carrying a Trump sign and shouting “white power.”

• At First Coast High School in Jacksonville, Fla., signs reading “whites only” and “colored” were posted above drinking fountains.