March 7, 2017 5:05 pm Watch a Food-Delivery Robot in Action News4 spotted a food-delivery robot in action in Georgetown Wednesday morning. Local 1:24 70-year-old man dies after hit-and-run 2:08 Defendant changes plea to guilty after hearing shooting victim's testimony in court 25:59 Former DC official referred for criminal investigation: The News4 Rundown 2:21 Montgomery County introduces new police chief 3:03 Suspect arrested in fatal shooting at car meetup