TRAFFIC ALERT: Numerous law enforcement units from Nev. & Arizona have responded to reports of a person with a gun at #HooverDam.
Traffic is backed up at
due to the possible suspect’s vehicle blocking lanes. There are reports that the person in the vehicle has a gun. #8NN pic.twitter.com/vUMCCap1sN

— 8 News NOW (@8NewsNow) June 15, 2018