A partial evacuation of Terminal 1 at Berlin Brandenburg Airport (BER) occurred this evening due to a potential hazardous substance. Authorities responded to an alert regarding a possibly dangerous material within the terminal. As a precaution, parts of the terminal were cleared while emergency services investigated the situation. The extent of the hazard and the specific substance involved remain unclear. Further details are expected as the investigation progresses, but passenger disruption is anticipated. The police are currently handling the incident and working to ensure the safety of travelers and staff.