Related Clues:

• Check inside church in Derry
• Word aptly represented by four black squares in this puzzle
• Obstruct British rugby forward
• Thwart or impede
• Arrest in church in Derry
• Jam or cake?
• Prevent flow in
• Beachgoer’s protection, and a literal hint to four squares in this puzzle
• Cause delays, maybe
• Lawrence __, author of the Matt Scudder novels