Yesterday Across:

1. Reacted 5. Heirs 8. Light-fingered 9. Ram 10. On-the-spot 12. Innate 13. Upward 15. Practised 16. End 18. Uninhabitable 20. Dread 21. Rosters.

Down: 1. Ruler 2. Argumentative 3. Tit for tat 4. Drifts 5. Hug 6. Irreplaceable 7. Sedated 11. Expedites 12. Impound 14. Isobar 17. Deeds 19. Hid.