An ambulance crew working for University Hospital in Newark was caught on camera ignoring an emergency call, because the ambulance driver was live-streaming while on duty.James Hovan and his partner were working late Thursday night. Hovan was using Periscope while driving around Newark. Periscope is a smartphone app that allows the user to live-stream video to an audience.At one point during their shift, Hovan and his partner decided to take a dinner break at White Castle.