Related Clues:

• ''Stop right there!''
• Wanted notice: Abbr.
• ''NYPD Blue'' alert
• Be hesitant
• Obey a sentry
• Manhunt letters
• Urgent transmission, for short
• 'Calling all cars' letters
• What things may grind to
• Police alert
• Go no further
• SFPD alert
• Urgent call, briefly
• Come to a standstill
• Dragnet letters