Related Clues:

• Beware! There's a sentry about
• Hooligan accepting old fine - be careful!
• Watchman's warning
• Sentry gives a verbal warning
• Observatory
• Barbarian secures good old cave
• Ring certainly being snatched by hooligan -- take care!
• Watch ruffian seizing man on board? Not right
• There's nothing fine in yobbo, causing concern
• Warning cry to guard
• Guard gives a warning
• One who keeps watch
• Concern when yob receives 'it
• Watch it - it's the opposite of 9 down
• 'Incoming!'