5 year anniversary cryptic crossword

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Across
  1. 5. Foreign bloke potentially ours? "Mine!" says pet (8,4)
  2. 6. Male in wild party gets treatment (7)
  3. 8. Appears to be missing a pea, we hear, but made of cornflour (6)
  4. 10. Mates before Saturday begins? (7)
  5. 12. Former Chinese president is separated by the fashionable in our new home (7)
  6. 14. Deciding to take no further moves? (8)
  7. 17. Different room, initial cold, given to company in Africa (7)
  8. 18. Nothing rich about this group of singers (5)
  9. 20. Overactor parodies resting places (8)
  10. 23. Morning condensation back from accident in architectural activity before the big day(7,8)
  11. 24. Building activity with the hounds in search of abode (5,7)
  12. 26. A meal to pluck out of nowhere? (7)
  13. 28. Iran agent removed from the country (9)
  14. 30. Country secret agents grabbing bloom roughly (8)
  15. 31. Perform steps resulting from sunbathing and to leave (5)
Down
  1. 1. In late... go for a dessert (7)
  2. 2. Carrot's principal feeder clumsiness in shooting location (7,5)
  3. 3. A union offer? (8)
  4. 4. Panda tosses me a pastry (8)
  5. 7. Put down but not on the hard times (7)
  6. 9. Runway model is one confused leading to lack of sleep (5,5)
  7. 11. When the sun shines for those not alive on a holiday (3,2,3,4)
  8. 13. Myself and Chinese president had a business in the country (6)
  9. 15. You can bet on it! Traveling by bike as a pastime (5,6)
  10. 16. Black attire, we hear, for the composer who tours the East in the early part of day (7,5)
  11. 18. Outdoor activity that's intense, we hear (7)
  12. 19. Increases prices for fun (5)
  13. 21. Some very empty islands (5,8)
  14. 22. Electric or hybrid product sale, maybe, but not this time for us (3,8)
  15. 25. Quick fundraising at cryptic setter's address (8,6)
  16. 27. Pet turns over bone in food (5)
  17. 29. Man's best friend's law backed by ruler on Sundays (3,7)