FBI and police swarmed over 8 city blocks in Washington DC around a naval yard after being alerted to a possible active gunman in the vicinity. No injuries or actual shots were confirmed, as law enforcement has issued an ‘all clear.’ READ MORE: br RT LIVE br Subscribe to RT! br Like us on Facebook Follow us on Twitter Follow us on Instagram Follow us on Google+ Listen to us on Soundcloud: br RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 1 billion YouTube views benchmark.