Related Clues:

• Mistake to do up letter bomb, say
• Perhaps Labour blunder turns into potential embarrassment ...
• One may catch, say, Labour's blunder on reflection
• Keep word about government initially — it's potentially explosive!
• Treacherous wet area that swallows things up
• Lethal or playful device set off by victim
• Ground which sucks!
• Potential source of explosion
• Guy Fawkes's kind of barrel?
• Potential source of explosive violence?
• Barrel for holding explosive
• Treacherous situation (which sucks people and things down)
• Treacherous situation (that sucks you under?)
• Treacherous situation that can trap and destroy
• *Hidden hazard