YESTERDAY’S SOLUTION

Across: 7. Security guard 8. Sidekick 9. Idea 10. Causes 12. Aphids 14. Pun 15. Deadly 17. Accuse 19. Crib 21. Listened 23. Plain speaking

Down: 1. Decimate 2. Duress 3. Mini 4. Gymkhana 5. Punish 6. True 11. Spyglass 13. Discerns 16. Debris 18. Cheeky 20. Role 22. Seep