TX AG office receives letter w/suspicious substance

The Texas Attorney General’s office in Austin received a suspicious substance in a letter. Fire and EMS responded. The first 2 floors of the William P. Clements building were evacuated. 3 people who were in contact with the substance were sent to the hospital out of precaution. The substance was tested. It didn’t test positive for dangerous substances. DPS has taken over the investigation. Reports expressnews.com.