▶ Yesterday's solution

Across 1. Poster 4. Speaks 9. Ruins 10. Caramel 11. Bugbear 14. Genes 15. Britannia 20. Visor 21. Slender 24. Sausage 25. Alpha 26. Artist 27. Studio

Down 1. Parable 2. Swing 3. Ensue 5. Paragon 6. Ammonia 7. Sales 8. Scar 12. Bur 13. Apt 15. Biscuit 16. Inroads 17. Nil 18. Ion 19. Tornado 20. Vista 21. Seed 22. Exact 23. Duped