Week 4

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Across
  1. 1. Exact (6)
  2. 5. Get someone in trouble by planting false evidence (5)
  3. 8. Amusing person (8)
  4. 9. Cavity containing most of our guts (7)
  5. 10. Light source (4)
  6. 13. In need of company (6)
  7. 14. Lead into temptation (6)
  8. 19. Hero whose magic words 'Open Sesame' found the way into the forty thieves' cave (3,4)
Down
  1. 2. Instalment of a broadcast TV serial (7)
  2. 3. Sweetheart (informal) (4)
  3. 4. Sequence of events (8)
  4. 6. Condition characterised by a set of associated symptoms (8)
  5. 7. Second of two mentioned (6)
  6. 8. Crab's pincer (4)
  7. 11. Arguments in favour (4)aa
  8. 12. Merchandise (5)
  9. 15. Andalusian city with a cathedral (the Mezquita) that was formerly a mosque (7)
  10. 16. In use (8)
  11. 17. Passage cited from some other source (9)
  12. 18. Unveil (6)