Complete
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1 8 10 13 16 20 22 2 3 9 19 17 4 15 14 5 12 11 6 21 7 18
  1. 1 a Police department dealing with political security (7,6)
  2. 8 a Exploit (3)
  3. 9 a Phone function using stored numbers (5,4)
  4. 10 a Mechanism that switches something on — autocrat (anag) (8)
  5. 11 a Fish related to the herring (4)
  6. 13 a Change over (6)
  7. 14 a Recollection (6)
  8. 16 a Predatory black and white toothed whale (4)
  9. 17 a French city with a cathedral renowned for its stained glass windows (8)
  10. 20 a Put into an equilibrium (9)
  11. 21 a Egg cells (3)
  12. 22 a Pancake day (6,7)
  13. 1 d Aqualung (5)
  14. 2 d Death row destination? (8,5)
  15. 3 d Example (8)
  16. 4 d Go to ground (3,3)
  17. 5 d Batons (4)
  18. 6 d Locality (13)
  19. 7 d Vacation (7)
  20. 12 d Behind (French) (8)
  21. 13 d Husbands and wives (7)
  22. 15 d Penny-pinching (6)
  23. 18 d Frightening (5)
  24. 19 d Ukraine's largest city (4)

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