Related Clues:

• Plumbing problem to ''plug''
• Problem with plumbing or security
• Trouble for an intelligence agency
• Homophone of one vegetable; anagram of another
• Reveal secret Welsh symbol in speech
• Release, as classified information
• Accidental spill
• Helium balloon problem
• Reveal transformed lake
• Reason to fix a radiator
• What finally made Lake Geneva empty out?
• Fail to be kept private
• Unwanted hole allowing something to escape
• Ale splashing — a keg ruined — because of this?
• Source of inside info, perhaps