Attention. [Music] Attention. Lock down. Lock down. Due to an act of threat on board the installation, all personnel are directed to knock down. Seek cover and conceal it immediately. Be cautious and call security or date police to report suspicious activity. Stand by for further information. Attention. Attention. Lock down. Lock down. Due to an active threat on board the installation, all personnel are directed to lock down. Seek cover and consider it immediately. Be cautious and call security or date police to report suspicious activity. Stand by for further information.