Complete
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7 14 19 1 9 12 21 2 15 3 11 20 10 4 18 16 5 8 13 6 17
  1. 1a Likeness of a person exaggerated for comic effect (10)
  2. 7a The fault is mine! — Paul came (anag) (3,5)
  3. 8a ___ Boy, 1964 Beatles song (4)
  4. 9a Badger's burrow (4)
  5. 10a Narrow land link with water on both sides (7)
  6. 12a Snippet left (anag) — markers (4-3,4)
  7. 14a Area of London's West End (7)
  8. 16a Damaging gossip (4)
  9. 19a Repeat (4)
  10. 20a West Sussex coastal town (8)
  11. 21a Inflammation of the voice box (10)
  12. 1d Salad plant with a pungent taste (5)
  13. 2d Narration of a course of events (7)
  14. 3d What may come before the storm? (4)
  15. 4d Part of a church at right angles to the nave (8)
  16. 5d Sound of vomiting (5)
  17. 6d Mistakes caused by confusion (3-3)
  18. 11d Flight of steps (8)
  19. 12d Embarrassing failure (6)
  20. 13d 'The Iron Lady', for example — hit Pete (anag) (7)
  21. 15d Vegetation of a particular region (5)
  22. 17d They are used by blacksmiths (or hairdressers!) (5)
  23. 18d Old sailors' tipple (4)