RC#5 University orienteering clubs

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Across
  1. 3. Two headless thugs rob loo? Very strange! (12)
  2. 7. Cage containing unusual bird and opossum’s tail! (9)
  3. 9. The French editors? (5)
  4. 10. Seen in sunny Orkney! (4)
  5. 11. Noisy firework, losing energy, with nothing inside! (6)
  6. 12. Nick Barrable in cold place, or so it sounds! (9)
  7. 14. Stirred clean stew? (9)
Down
  1. 1. Beast of burden confronts river crossing (6)
  2. 2. Protection around elite (very loud!) (9)
  3. 4. Shake it in hot water! (6-4)
  4. 5. Had rum curdled? (6)
  5. 6. Strange gas found in luminescence (7)
  6. 8. Peculiar bread, even without 5? (8)
  7. 13. British Rail is to liquidate initially (7)