DELETIONS ANAGRAMS HIDDEN WORDS ABBREVIATIONS AND REVERSALS

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Across
  1. 3. Head off patriot worker (7)
  2. 6. Plunderer loses head to get angry (5)
  3. 8. African of Cuban-Turkish extraction (5)
  4. 11. & 9dn Toy breeds trained to find out a place for pearls (6,3)
  5. 12. Sends out to stop Rex wandering (7)
Down
  1. 1. He has constructive ideas for the Arctic, perhaps (9)
  2. 2. See 13 dn
  3. 4. Ran back into sore, chaotic situation (7)
  4. 5. Little Bear edges away from diver's equipment (3)
  5. 7. Delighted when record return removed took the pressure off (5)
  6. 9. See 11ac
  7. 10. Tapestry covers primates (4)
  8. 11. Birds observed in slow motion (4)
  9. 13. & 2dn Checks possibly amber clothing at home (5,2)