United States July 20, 2017 11:20 am Teens on African Robotics Team Cross Into Canada News4’s Justin Finch has the latest on the African teens who competed in the international robotics competition in D.C. and then vanished. Local 2:46 Bodycam video shows teens running from Greenbelt senior skip day shooting 2:46 ‘A preventable mistake': Owner warns of prescription error after dog's death 25:59 Protesters topple barriers at GW: The News4 Rundown 1:54 Fairfax County police investigate theft, attempted theft at jewelry store 0:32 Photo shows person riding on back of Metro rail car