PUBLIC INFORMATION SERVICE ALERT

Issued by GOV-UK-DISINFO-HANDLING-UNIT

This morning, multiple unlicensed broadcasts were detected across DAB digital radio and shortwave channels.

Content included:
• Repetitive humming patterns between 13–17Hz
• Interrupted messages in pseudocode and Old English
• Audio that caused nosebleeds in two listeners (report pending)

DO NOT attempt to record or decode these signals.
They are classified under Emergency Symbolic Containment Act (ESCA 2026).

Further public guidance will be issued via Sky, BBC, and NHS apps.