Week 4

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