Previous solution

Across: 1. Locust 4. Acid rain 9. Narrow 10. Mirrored 12. Apprehend 13. Apple 14. Machinations 18. Providential 21. Equip 22. Nurturing 24. Critique 25. Finish 26. Silencer 27. Asleep.

Down: 1. Land Army 2. Carapace 3. Stone 5. Child minders 6. Dartagnan 7. Abrupt 8. Nodded 11. Peradventure 15. Irruption 16. Minimise 17. Flagship 19. Fences 20. Burial 23. Units.