This is a developing story. The Arizona Supreme Court building has been evacuated after a suspicious package containing explosives was found. Officials say that the package was discovered in the building’s mailroom and tested positive for “homemade explosives.” Thankfully, there were no injuries. Bomb squads and hazmat teams were sent out to secure the area. Here’s some footage from the scene: Backup here, if needed: BREAKING: Arizona Supreme Court Evacuated After Explosive Material Detected in Suspicious Package PHOENIX, AZ — The Arizona Supreme Court was evacuated on Tuesday after a suspicious package discovered in the building’s mailroom triggered a hazardous materials response.… pic.twitter.com/0NNA1qvgTf — Noah Christopher (@DailyNoahNews) January 5, 2026 BREAKING: Arizona Supreme Court Evacuated After Explosive Material Detected in Suspicious Package PHOENIX, AZ — The Arizona Supreme Court was evacuated on Tuesday after a suspicious package discovered in the building’s mailroom triggered a hazardous materials response. According to court officials, staff were alerted to a “hazardous situation” after preliminary testing indicated the package contained materials consistent with homemade explosives. As a precaution, authorities ordered an immediate evacuation of the courthouse, along with surrounding parking areas. Local and state law enforcement agencies responded swiftly, securing the perimeter and launching a comprehensive sweep of the building. Bomb squad units and hazardous materials teams were deployed as part of the investigation. No injuries have been reported, and officials emphasized that the evacuation was conducted out of an abundance of caution. What’s Next? Authorities say the building will remain closed until the investigation is complete and the site is deemed safe. Further updates are expected as law enforcement works to determine the origin and intent behind the package. This remains a developing story. At this time, we don’t have any information about when the package was sent to the building or who sent it. An investigation is ongoing. 12 News has the latest update: The package was apparently sent to the court’s mail room and “tested positive for homemade explosives,” according to an email sent out to court staff. 12News has learned that the Arizona Supreme Court building was evacuated as a result of the suspicious package. A complete sweep of the building will be conducted and the package will be removed, the message to staff stated. The Bureau of Alcohol, Tobacco, Firearms and Explosives has responded to the Phoenix court building to partake in the investigation. This region of downtown Phoenix, located near 15th Avenue and Washington Street, is the site of several state government buildings. We’ll continue to bring you any further updates as they come in.