DOUBLE CROSSWORD

CRYPTIC CLUES:

Across

1. The grounds of Chequers in the late fifties? (6,2,4) 7. Jumped up and broke a plate (5) 8. Posh people might travel in this submarine (1-4) 9. Car crash on the curve (3) 10. Preserve armed Amal fighters (9) 11. Somehow agrees to lubricate (6) 12. Unsuitable person has a fistfight on the motorway (6) 15. Notice Lou's new art of public speaking (9) 17. Where a conductor sells the tickets (3) 18. Do ten characters become famous? (5) 19. Edgar's terrible mark for schoolwork (5) 21. Sounds like a German songsmith is employed by the paper (6,6)

Down

1. An author – he rang me up in a terrible rage (6,6) 2. Queen for a long period of time (3) 3. Protest over court proceedings at the start of the year (6) 4. Auctioned off training (9) 5. Stumbling over a town in Portugal (5) 6. A hood started to shake, being very unwell (2,6,4) 7. Cruel redistribution of wealth (5) 10. I.e. digs mud up, being foolish (9) 13. A brief change of material (5) 14. Vocalist reigns badly (6) 16. The new route is improper (5) 20. The tune of Clair de Lune (3)