DURHAM, N.H.- Authorities say officers attempting to serve an arrest warrant early Monday morning on Rory Robertson,46, ended up in a standoff were met with fireworks. According to police the incident began after police attempted to serve a warrant at Robertson’s home on Denbow Road. According to Police, Robertson attempted to avoid a police vehicle and drove back to his residence where he aimed and discharged fireworks in the direction of law enforcement officers and a marked patrol car.