MERRY XMAS DAD!

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Across
  1. 3. Sedative is a key component of unrestrained rugby (4)
  2. 5. Panorama taken by promontory after one arrives from overseas (9)
  3. 11. Nickname given by globe arsonists (5)
  4. 12. Same cordial with the same proportions? (8)
  5. 14. Putrescence rings beer, containing elements not to be repeated, prepared for a bard, informally (6)
  6. 15. Almost girlfriends of parent owns catalogue containing Hilton males after account has desire for upheaval of current system (4-13)
  7. 16. Coastal town established by aromatic herb cloaking lack of colouring? (6)
  8. 19. Skull anatomy meets screwdriver? (8)
  9. 21. Could be the roof, could be the door, the leader will tell! (4, 2, 3, 5)
  10. 25. Overly enthusiastic rifle explodes feral pig (4-2)
  11. 26. Put an end to drink (6)
  12. 27. American book causes investment of Filipino money in goods being transported, to thwart April 1st, getting rid of it - all very weird! (3, 5, 2, 5)
  13. 30. Sounds like a splutter begins epidemic a couple of times, put right by brew (6)
  14. 31. Gathers large groups of people, we hear (6)
Down
  1. 1. Small changes not inconsequential for choosy hater, oddly (5, 6)
  2. 2. Tea disintegrates edges of pearly whites, becoming darker and fewer in number (4,4)
  3. 4. Ridicule and knocking around of geek in Sunday tradition (5, 6)
  4. 6. T rex swallows 2 leaders of Denmark and Serbia at the start of hardcore sport (6,6)
  5. 7. Sabotage integrated into political action committee, before end to controversy corrects all types of issues (8)
  6. 8. Job type requires cipher deciphered, when containing falsification (10)
  7. 9. Starts to cry over cereal, accompanied by denouement of musical piece with solo voice at holiday location? (7)
  8. 10. Pontoon within mismatched pack of cards without King is formulated (7)
  9. 13. Most intelligent appliance fashionable within irreverent hectic pack? (8, 4, 2, 3, 3)
  10. 17. I lost in-famous scientist to smoke? (4)
  11. 18. Recruit immersed in cycad etymology (5)
  12. 20. State-of-the-art silver over wood product, or so says the review (9)
  13. 22. Throwing frontrunner Harry into the penalty mix-up generates energy (8)
  14. 23. Conversation about crazy regressed horned mammal causes daughter to intervene with assortment of candy? (9,3)
  15. 24. Indian dish’s initial origin in a muddle, violent dawn and territory involved (8)
  16. 28. She withholds artist from a system of assessment, impervious to outside influence (8)
  17. 29. Old Tom’s nemesis heard scoring multiple goals, discounting the first, the last, and all the repeats (9)