Complete
00:00:00
6 7 10 13 17 21 23 1 14 2 12 11 3 16 22 15 4 8 20 18 5 19 9
  1. 1a Sash worn with formal attire (10)
  2. 7a Natural and free from synthetic products (7)
  3. 8a Panorama (5)
  4. 10a Grime (4)
  5. 11a Recover (8)
  6. 13a Shrub used in hedges (6)
  7. 15a Of Cambridge University (abbr) (6)
  8. 17a Rocky (8)
  9. 18a Indian dress (4)
  10. 21a What comes last (5)
  11. 22a US state (7)
  12. 23a Greek Titan who stole fire from Olympus — the supremo (anag) (10)
  13. 1d Thick smoke? (5)
  14. 2d Vamp (4)
  15. 3d Be more than (6)
  16. 4d From Munich, say (8)
  17. 5d In its early stages (7)
  18. 6d Stendhal or Molière, for example (3,2,5)
  19. 9d Pre-1991 Asian soviet on the Caspian Sea (10)
  20. 12d Cable (8)
  21. 14d Someone having private information (7)
  22. 16d Floating freely (6)
  23. 19d Pile up (5)
  24. 20d Border (4)