ALBANY -- A letter received by the state Department of Corrections today contained an unknown powder, touching off an investigation, state police said.
Police were trying to determine what the substance is, but they said the letter appeared to have come from a state prison inmate. Police did not elaborate as of Wednesday.
Officials at the state campus' Building 9, Department of Corrections, received the letter at about 11 a.m. Wednesday.
No injuries resulted from the incident, and the overall police response lasted less than an hour, police said.