Cryptic crossword

ACROSS

1 Proof eastern study in immorality (8)

5 Impulsive sort rejecting VIP

breakfast (6)

9 Land chopper here in other compound skirting border (8)

10 Old writer’s copy found in

Kent perhaps (6)

12 Policeman seizes first of rye

harvest (4)

13 Great fun working in heart of

Hull but thankless (10)

15 Party game maybe Oliver

supervises (7,6)

19 Tense prediction by optimistic fortuneteller? (6,7)

23 Pour out a port from America

that’s priceless (10)

25 Distinctive character in

restaurant (4)

28 Independent company turns

into do-ityourself folly (6)

29 Infidelity that violates real

duty (8)

30 To some degree prevent silly

contests (6)

31 A couple of pages conclude

ninth supplement (8)

DOWN

1 English start to collaborate in

this study of morality (6)

2 Group of schoolgirls heading

north for abode there (5)

3 Catch sight of European mole

(4)

4 Constant number in college

choir needing training (7)

6 University fanatic retains

chapter unexpurgated (5)

7 Miser in Florida broke limits

(9)

8 Paint rosy picture of ladies

dancing in centre of Kiev (8)

11 Doctor always controls examination (4)

14 Alexander was this sailor

hugging son (4)

15 Michael keeps robot prepared for transport (9)

16 Copy primate (3)

17 Pay attention to director in

Glasgow, say (4)

18 Levi suffers a bit when climbing unrestrained (8)

20 Duo broadcast under pressure (4)

21 Review more costly article in

magazine first (7)

22 Cat possesses a rare organ

for producing sound (6)

24 Where ladies display hats

and elaborate coats (5)

26 Classy writer beginning to

describe tip . . . (5)

27 . . . tip like this? (4)