The arrests of the three middle schoolers came last month. Experts say young kids are increasingly exposed to hate ideologies, leaving communities to figure out how to respond.

There's a referendum on abortion rights on the ballot in Florida in November. President Biden's campaign says that could help buoy his chances there.

State media described the drill as aimed at demonstrating the strength and diverse attack means of North Korea's nuclear forces amid deepening tensions with the United States and South Korea.

Voting concludes Tuesday in Pennsylvania's presidential, U.S. Senate and U.S. House primary contests. Polls close at 8 p.m. ET. Follow the live results.