A manhunt is on for a gunman armed with an AR-15 style rifle who shot and killed five people aged between 8 to 40-years old. SUBSCRIBE to ABC News on YouTube: https://bit.ly/2vZb6yP Latest updates: http://abcnews.go.com/ Watch FULL EPISODES on Hulu: http://abcn.ws/3bzvQQn #abcnews #gunviolence #cleveland #texas