Crossword Challenge - Round 4

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Across
  1. 2. Guide, escort
  2. 4. Slang for police officer
  3. 10. Roman sea god
  4. 12. Belgian Cartoon character
  5. 13. Treasure Island Character
  6. 15. Scar actor
  7. 16. Five-cent coin
Down
  1. 1. Former planet
  2. 3. Moroccan oil
  3. 5. One million records sold
  4. 6. Bond villain
  5. 7. US regional centre for tech & innovation
  6. 8. Superman's weakness
  7. 9. 'cc' meaning when emailing
  8. 10. Gladiator name,Harry Aikines-Aryeetey
  9. 11. David Guetta/Sia song
  10. 14. Stage surname of Federik Bulsara
  11. 17. Shade of blue