Annotated solutions for Prize 28,907

Across

1 Mephistophelian P(ublic)H(ouse) in IMPALE THIS ONE (anag)

9 deliver DE<LIV>ER [LIV Golf)

10 escaped ESC (key) + APED

11 lot L(eft) + TO (rev)

12 Dudley Moore DUD + LEY<MOO>RE [ley line]

13 imperative I’M/(o)PERATIVE

15 heal Prince H<(wif)E>AL

18 exam EX + AM

20 unedifying YIN in FEUDING (anag)

23 mise-en-scene IN ESSENCE (anag) in ME

25 ave (w)AVE

26 Martini MA + TIN in R(u)I(n)

27 shampoo PO (river) in SHAMO (expression of emotion) [champagne (slang)]

28 Spanish omelette HOMELESS PATIENT (anag)

Down

1 Madeleine M(ale)/ADELE/IN/E(nglish)

2 palmtop M(ike) in TOP after PAL

3 invaders IN (w/V)ADERS

4 tired TIR(i)ED

5 preserved P(arking)/RESERVED

6 encamp (m)EN + CAMP

7 implode I’M PLOD + (syndicat)E [PC Plod)

8 nudge EG(for one)/DUN (rev)

14 tunesmith TU (French) + (Mike) NESMITH

16 leg before LEG + BEFORE

17 after all AFTER (f)ALL

19 Austria A<US>TRIA

21 in a spot IN A <S>POT

22 Gemini G<EMIN>I

23 mumps S<PM>UM [Lis Truss]

24EpsomMO<S(econd)>PE (rev)