Cryptic crossword

ACROSS

1. Flat dish for which to impose fee right at the end (7)

5. Takes off dust CD creates round end of performance (7)

9. Are arming for a change, as it spreads (9)

10. Heavy knife to cut back a space around the North (5)

11. In front of one lies a principal (5)

12. Thought one was wrong to speed, cuts having been made (9) 13. Dropping leaves is odd: cue takes u-turn (9)

16. To row with one’s head, by the sound of it (5)

17. Cash, most of which is halved backing Japanese currency (5) 18. Engrafted metal pin somehow at top of deltoid (9) 20. Unwavering about dates quickly concluded (9)

23. Asks awkwardly about vodka first, and gets Russian rye-beer (5)

25. Here there may be room to have a roof over one’ s head (5) 26. Going round one way with sickle, cow gets out of it (9)

27. Lyre led to disorder when getting on in years (7)

28. One of little intellect will nip back to the principal (7)

DOWN

1. Order a little ammunition to be used up in CND (7)

2. Eager to get around and be in harmony (5)

3. First and biggest of its kind to drag dandy out (9)

4. It has possibly risen from the kidneys (5)

5. Gets into play-clothes as frocks are more expensive (7,2) 6. Is misled about getting up two beats in the bar (5)

7. Make Scot turn top of concrete used to build (9)

8. Malicious gossip lands Chartered Accountant in trouble (7) 14. Swindle, taking decent turn? There’ s a link if it is (9) 15. Government by a few one might charily go for (9)

16. Shagreen for porbeagle’s family (9)

17. Official communication was to make gas seem convertible (7) 19. Needs CD arrangement to effect a climbdown (7)

21. How room is painted and furnished turns red with company in (5)

22. Show the colour in fortified wine rises with nothing in it (5) 24. A wickedness that arises shows it isn’t dead (5)