Gunman Kills At Least 19 Children, 2 Adults At Texas Elementary School

Watch VideoAn 18-year-old gunman killed 19 children as he went from classroom to classroom at a Texas elementary school in a rampage that also left two adults dead, officials said, adding to a gruesome, yearslong series of mass killings at churches, schools and stores.

The attacker was killed by a Border Patrol agent who...