Envelope With White Powder Found at North Dallas Psychiatric Hospital

Officials are working to determine whether an envelope containing a white powdery substance found Monday at a North Dallas psychiatric hospital is dangerous. Dallas Fire-Rescue was called about 2:40 p.m. to Medical City Green Oaks Hospital in the 7800 block of Clodus Fields Drive, near Forest Lane, in North Dallas. One person reportedly opened the addressed envelope in a conference room while a second person was present, and was immediately exposed to the powder, department spokesman Jason Evans said. Neither person showed signs or symptoms of being exposed to a toxin, but about eight to 10 people in that area of the building were evacuated. No one has been transported to the hospital.The air-handling system to the conference room was also deactivated to stop the powder from spreading, Evans said. Hazardous materials crews are working to determine whether the powder is dangerous.   Continue reading...