Phoenix Police detectives arrested a teenage boy on suspicion of making threats on social media of a mass shooting involving schools across the Valley.

An investigation into an internet threat at a Hudson Valley school that caused an early dismissal and a significant police response has been found "not credible." Internet Threat Leads To Dismal AT Dutchess Boces In Poughkeepsie The incident occurred in Dutchess County at Dutchess BOCES in

GOSHEN — Police have arrested an 18-year-old man in the wake of specific threats made on social media involving Goshen High School. Officers took immediate action Wednesday morning to notify Goshen Community Schools of the threat,