ACROSS

8 An undercover in an exclamation, an exclamation (4)

9 Leer in a box, it’s unavoidable (10)

10 Untidy fire with church is war-like (6)

11 De Klerk perhaps describes particular feline as an outdated storage method (8)

12 It's Gary's back, partially dressed poorly (4)

13 Public transport in a wobble, for four-footed iamb (10)

17 New TV/Ipad screen has no point for rent (4)

18 Campbell didn't own any but sped over them (5)

19 He dies badly, on the left or right (4)

20 Speak quietly and set true otherwise (10)

22 See 23 (4)

23 These shonks will put you onto 22 photographers (8)

27 A backwards Republican and poet reach the highest point (6)

28 I don't need Eric Blair to tell me he's no good (4,2-4)

29 A vessel sounds like money in the bank (4)

DOWN

1 Protrude with a party member back inside and a particle of great joy (10)

2 Find hairs in pee of ancient sectarian (8)

3 Fish mans old weapons (10)

4 Don't be a dick, a bit of an ornament would be nice (4)

5 Gates' original earner over Lyndon's middle goes to teacher (4)

6 Yours truly held by a roundabout tollway transponder, a sex chromosome? (6)

7 Flyer loses first person in a grave (4)

14 Time for untidy song about headwear (5)

15 Swab near the French needs a reply (10)

16 Senior inter on the radio. Father smelt of... (10)

19 Sees a teacher covered in pepper for example (8)

21 'ere, corporal (for instance) wants more (6)

24 Nine and a half turned around misses point and gets out of line (4)

25 Self-description by Peter Foster, or saint (4)

26 If Devo were lawyers they would do this when a problem comes along (or eat it) (4)