Yesterday Across:
1. Strides 5. Truss 8. Revolutionise 9. War 10. Goes to pot 12. Fleets 13. Vacate 15. Reassures 16. Hip 18. Uninhabitable 20. Argue 21. Doddery.
Down: 1. Screw 2. Reverberating 3. Delegates 4. Setter 5. Too 6. Unimpeachable 7. Spectre 11. Transited 12. Formula 14. Probed 17. Piety 19. Hue.