No 13088, Monday 09 Nov 2020, KrisKross

Solution to 17D has been deliberately left unsolved and is to be answered only by a non-regular / novice commenter, with proper annotation. Those who have answered earlier in the week, please give others a chance. 

ACROSS

1   Work almost through — beginning to look cheerful (6) JOVIAL {JOb}{VIA}{Look}

4   Well-dressed doctor in ship’s mess (8) SHAMBLES {HA{MB}LE} in {SS}

10 Spooner bullies a lot to maintain a home (9) HOUSEKEEP (~ cows heap)

11 Briefly tie soldier’s dog (5) CORGI {CORd}{GI}

12 More crazy one involved in strike (7) BATTIER {BATT{1}ER}

13 An iced cocktail containing unknown poisonous chemical (7) CYANIDE {AN+ICED}* over {Y}

14 Lady travelling around island — a part of Ancient Asia (5) LYDIA {LYD{I}A*}

15 Control the lions with old tools (8) NEOLITHS*

18 Decorated Moses’ bed artfully (8) EMBOSSED*

20 After exercise, lady in bad mood (5) PEEVE {PE}{EVE}

23 Police stooges tap one’s house (7) GESTAPO [T]

25 British PM heading off to become citizen of another country (7) ISRAELI dISRAELI

26 Voice from the Mount said “No” (5) NEIGH (~nay)

27 Old queen, in good spirits, reaches treasury (9) EXCHEQUER {EX}{CHE{QU}ER}

28 Saw house in Paris designed by Frenchman (8) APHORISM {AP{HO}RIS*}{M}

29 Some inhale, then exhale an anaesthetic (6) ETHENE [T]

DOWN

1   Englishman can brag... (4,4) JOHN BULL {JOHN}{BULL}

2   ... boasted “American state’s free — not India" (7) VAUNTED {VA}{UNTiED}

3   Joe made macaroni and cheese finally (9) AMERICANO {MACARONI+c...sE}*

5   A rich, phony doc’s treated people who aren’t really sick (14) HYPOCHONDRIACS*

6   KrisKross reportedly sees a holy place (5) MECCA {ME}{CC}{A}

7   Fairly big line in front of garish building (7) LARGISH {L}{GARISH*}

8   In Lyon, sixteen diamonds confiscated (6) SEIZED {SEIZE}{D}

9   Warns, “Too difficult to crack safes in skyscrapers” (8,6) PETRONAS TOWERS {WARNS+TOO}* in {PETERS}

16 Tense, as all of us are? (9) IMPERFECT [DD]

17 Thrust again... stab... go for blood (8) ?E?I?R?E (Addendum - PEDIGREE - {DIG}{RE} in {PEE} - See comments)

19 She saves you from trouble, and starts to instil abundant hope (7) MESSIAH {MESS}{In...l}{Ab...t}{Hope}

21 Do without English sweet (7) EXECUTE {EX}{E}{CUTE}

22 Commander describes complete plan (6) AGENDA {AG{END}A}

24 A daily component of Indian meal? (5) ACHAR {A}{CHAR}

Reference List

Ship =SS, Soldier = GI, Unknown = Y, Island = I, Exercise = PE, Queen = QU, House = HO, Frenchman = M, Can = JOHN, India = I, Line = L, Sixteen in French = SEIZE, Diamonds = D, Again = RE, Go = PEE, English = E