Cryptic crossword - The Scotsman 20/09/13

ACROSS

1 Comedian who’s prepared to be counted? (7)

5 Way to reproduce play found before setback (7)

9 It’s not legitimate to be sick in charge of computers (7)

10 Violent wind, to the Navy, means hassle (7)

11 Spice supplied by academic upsets first-class Balkan region (9)

12 Police run to earth in wood (5)

13 Dog is able to establish identity (5)

15 Quality of transparency found in Medway town? (9)

16 Box on all-terrain bike used for taking pet to vet, for example (3,6)

18 Exercise that makes one (not quite 1) take notice (3-2)

21 Sex patrol strips emigrant (5)

22 After development, prints are seen to become clear (9)

24 Gets to grips with second gear beforehand (7)

26 Treat oneself when eluding trouble (7)

27 Hoy clan are deliriously happy and carefree (7)

28 Kept standing, but changed sides when chosen by voters (7)

DOWN

1 “Earth-shattering magnitude,” Michael said (7)

2 Everyone at chemicals company takes new chemical derived from garlic (7)

3 Series of ten found in the grave surrounding first community (5)

4 Possible reaction to pond icing over: step on it! (3,4,6,2)

5 Late to exam? Right solution - try a bit harder (2,4,5,4)

6 Trailing edge of space station (3)

7 Wander about, spoiling parties (7)

8 Diggers assembled in poor accommodation on board ship (7)

12 Gas containing mineral resource found in drilled rock samples (5)

14 It’s crazy to run into conscription (5)

16 Does he teach wild animal? (7)

17 Optical illusion seen in a particular place (7)

19 Understand rent involves snack (7)

20 Imagine finale after somewhat pretty start (7)

23 Move cautiously when first seen to be not working (5)

25 Amateur song (3)