Complete
00:00:00
7 9 13 16 5 18 1 10 2 8 15 14 3 12 11 4 17 6
  1. 5a Treasured assets (5,6)
  2. 7a Suspicious (4)
  3. 8a Often (8)
  4. 9a Sender of unwanted emails (7)
  5. 11a Teutonic god in the Ring Cycle (5)
  6. 13a Provocation (informal) (5)
  7. 14a Female performer (7)
  8. 16a Fabric — cry 'odour' (anag) (8)
  9. 17a Avenging deity (4)
  10. 18a Petty (5-6)
  11. 1d Cramped (informal) (4)
  12. 2d Passed legislation (7)
  13. 3d Squalid (5)
  14. 4d Start time (4,4)
  15. 5d Flying targets? (4,7)
  16. 6d Poised and confident — US lass freed (anag) (4-7)
  17. 10d A girdle round the earth? (8)
  18. 12d Kind of paint (7)
  19. 15d Very good — fish (5)
  20. 17d Disappear gradually (4)