New(s of the) Year Quiz

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Across
  1. 2. World-wide protest (5,5,6)
  2. 3. No rings in Tokyo(8)
  3. 9. Suspend with dodgy motives (8)
  4. 12. 30 years of _ in germany (11)
  5. 14. Should have gone to specsavers (7,6)
  6. 16. Man U's MBE(8)
  7. 19. Unlikely press conference location (4,7)
  8. 20. Sir Llama has a donkey sanctuary(7)
Down
  1. 1. Royal alternative to Brexit(6)
  2. 4. Nobody move!(8)
  3. 5. Odorous particles expelled from the derrière (5)
  4. 6. Computer says ... A* B C? (9)
  5. 7. Running with Harris(5)
  6. 8. Hope of a "return to normal"(7)
  7. 10. A diamond year for mum (5)
  8. 11. 100 laps before 100 (7,3)
  9. 13. Opposite of "I'll sign!" (2,4)
  10. 15. Rare fish discovered in the Avon(7)
  11. 17. No additional preparation needed (4,5)
  12. 18. 2016 pandemic simulation exercise (also a constellation) (6)