9-across – I am at concert,and put out a piece of music : IMPROMPTU

10-across – One rascal that can beat nine or ten : KNAVE

11-across – Composer’s heart problem returned : CORELLI

12-across – Fail to appear for pub performance perhaps : STANDUP

13-across – Unoccupied,love to be cast in a film : VOID

14-across – Queen bee only confused by a new name : ANNEBOLEYN

15-across – Create lines on paper for soft toy : RAGDOLL

17-across – Runs on the shore,having to live with twinges : BEACHES

19-across – Old Chancellor not going about town : DARLINGTON

22-across – Energy from writer,one moving along : BRIO

23-across – Recoil from being pierced by a stone shaped like a spear point : HASTATE

24-across – I won’t mention the rest,even quickly : ANDSOON

26-across – Study one initially complicated section of maths : CONIC

27-across – Edible grains in near frozen state stuck to part of face : BROWNRICE

1-down – Was first to see a pattern that threatens the monarch : DISCOVEREDCHECK

2-down – Arranging to take power,but refusing to take advantage : SPORTING

3-down – Frustrate one buttoned up for Olympic event : FOIL

4-down – Not forced to disband one platoon : OPTIONAL

5-down – Be after contract United accepted : PURSUE

6-down – State that is briefly satisfactory : OKLAHOMA

7-down – Cut of meat,second to go bad : SADDLE

8-down – Be very discreet and retain a personal lawyer : KEEPONESCOUNSEL

16-down – Say,Roman soldier up in old tree : OLIGARCH

17-down – Express disapproval of girl with glasses going to dance : BOOGALOO

18-down – March round in ragged sort of progression : HARMONIC

20-down – Object to being given another errand? : RESENT

21-down – As authority,accepts passes : GOESBY

25-down – Dip into Brown Book at last : DUNK

1-across – Collector of cuttings from Spy and Punch? : GRASSBOX

5-across – Shakespeare’s ghost,clutching battered hat,starts to irritate chess club : OLDHAM

9-across – Jovial brother to write back and create harmony : NEPTUNE

10-across – Ancient mariner might use this to cure 5? : OLDSALT

11-across – Project Endless Bliss : HEAVE

12-across – Wild crocuses adorn son and heir : SUCCESSOR

13-across – Unhealthy popular suspicion surrounded old burial ground : INSALUBRIOUS

17-across – Official statement showing how to open security door : PRESSRELEASE

20-across – Wreckage of boats caught by rocks – subject of old English ballad : ROASTBEEF

22-across – New Amsterdam,for instance : NOVEL

23-across – Nuclear missile in possession of 9 : TRIDENT

24-across – Soldier on holiday with cake decorator : OFFICER

25-across – Comedian perhaps from America abandons usual material : ACTUAL

26-across – See 5 : ATHLETIC

1-down – Gujarati leader and two successors : GANDHI

2-down – Draw a rotten apple : APPEAL

3-down – Regimen ruling out stuffing; blocking fries and sweet drinks : SAUTERNES

4-down – Politicians,without hint of shame,engaged in out-and-out exaggeration : OVERSTATEMENT

6-down – Third part of Gormenghast missing from book shelf : LEDGE

7-down – Teacher’s sexy selfie : HEADSHOT

8-down – Moment day-tripper lost heart to bus driver : MOTORIST

10-down – Conductor interacting with field,releasing current,may result in electrical discharge : OCCLUDEDFRONT

14-down – Put out unwrapped gift – tactful to dispense with show : RESENTFUL

15-down – Both leads quit Top Gun musical comedy : OPERETTA

16-down – To a large extent artificer,am I still artisan? : CERAMIST

18-down – Bird’s eggs served up on time in Paris and Rome : AVOCET

19-down – Clergyman ensconced in motorcycle rickshaw : CLERIC

21-down – This particular thank you letter : THETA

5-across – Poetic Rupert Bear as perceived by audience : BROOKE

6-across – Adjusted pH and drainage finally for shrub : DAPHNE

9-across – Brutal,with no end of aggression – end of the spectrum : VIOLET

10-across – Succeeded in something nonsensical that’s crazy : INSANITY

11-across – Hidden message from spy in Japan ignoring its leader : NINA

12-across – See 13 : HALFADOZEN

13-across – Description of tie in certain kind of box,in other words : SIXOFONEAND

18-across – See 13 : OFTHEOTHER

21-across – With greatest possible speed,took possession of part of Africa : CHAD

22-across – Weird bordello? Don’t knock it! : DOORBELL

23-across – Poet such as Eliot,to begin with : THOMAS

24-across – Back seat in poor condition,reportedly : DICKIE

25-across – One of royal family,you said,contributed to foundation : STUART

1-down – Supply with fuel,we hear,then I save up for cabbage : KOHLRABI

2-down – Outline of small craft : SKETCH

3-down – Disrupt USA with a teen revolt : NAUSEATE

4-down – Faith in Asia is shaken on this : SHINTO

5-down – Bishop introducing uncompromising and holy Irishwoman : BRIGID

7-down – Among volumes there in libraries the readers repeatedly find historical work : ESTHER

8-down – The things one loves to collect are bound to be sellable : BIBLIOPHILE

14-down – Air of Naples can make you smile,with plenty of oxygen : OSOLEMIO

15-down – Saintly visitor to home at present time : NICHOLAS

16-down – Supply two notes in place of one : AFFORD

17-down – Sage remained in place,planted around front : SAVANT

19-down – Pound,after half-hour,becoming odist : HORACE

20-down – Change,as crops,more than 50% of turnip or spinach : ROTATE

9-across – 1970s clothing not very good on idiot : LOONPANTS

10-across – Coral island where first twelve characters left : ATOLL

11-across – Wild stunt by footballer taking out centre : FRANTIC

12-across – Terminations from Iago and avengement,what do we have here then? : OTHELLO

13-across – See 22 : ROOM

14-across – Charitable fund-raiser perhaps having bagged £0,mountain to climb at first : BENEVOLENT

15-across – Banks after bullion in French city : ORLEANS

17-across – Company entertained by short film from Hitchcock,pioneer of broadcasting : MARCONI

19-across – Grouse beater’s work done then? Got you! : THEGAMESUP

22-across – ‘Latest’ read by anchors reviewed – here? : NEWS

23-across – Describe Scottish island to the west,only outsiders on there : NARRATE

24-across – Undo chain? I can having escaped after wriggling,as escapologist : HOUDINI

26-across – Somewhat horny,a large antelope : NYALA

27-across – Washerwoman’s Sunset Strip strip? : LAUNDRESS

1-down – No lady really keeping warm while cold down there? : ALLFURCOATANDNO

2-down – Aunt’s loo rebuilt for population of ghost town? : NOTASOUL

3-down – Jam stain : SPOT

4-down – See 1 : KNICKERS

5-down – A positive picked up on the beach? : ASHORE

6-down – Do that and don’t talk dirty! : WASHYOUR

7-down – Rank,porky dog : COLLIE

8-down – Most gory Horrible Histories told,and brilliant after disembowelment : BLOODTHIRSTIEST

16-down – South vanishing from US state,country sawn in half – as if by magic! : ALAKAZAM

17-down – See 6 : MOUTHOUT

18-down – Row in divorce city blowing up – funny : ONELINER

20-down – Aware about mark suggesting slip,something unpleasant found in canal? : EARWAX

21-down – Flush lavatory,emptying beneath plane : EVENLY

25-down – Tongue inside your dungarees : URDU

1-across – One saluting domestic appliance : TOASTER

5-across – Displaces excited radicals : UPROOTS

9-across – Playwright messed up bins having taken drug : IBSEN

10-across – Rig total I revised for one arguing in court : LITIGATOR

11-across – Safe house Andrew keeps doctor in : HOMEANDDRY

12-across – Unusual drink : RUM

14-across – Colonel overcome by awful toothache gets soothing drink : HOTCHOCOLATE

18-across – Teaches ceramicist and nerd perhaps : TRAINSPOTTER

21-across – Receive guests regularly : GET

22-across – Offensive cold saunas destroyed : SCANDALOUS

25-across – Strengths of a flipping politician one secures : ABILITIES

26-across – Children nicked revolving piece for target : INNER

27-across – Sister upset about German cat : TIGRESS

28-across – Empty dairy next to foul house : DYNASTY

1-down – Heads of trade and industry caught hiding illegal practice from China : TAICHI

2-down – Adopt donkey and flipping bird : ASSUME

3-down – Equivalent sum found by worker after time : TANTAMOUNT

4-down – Food store upset after second bit of produce is put out : RILED

5-down – Extreme engineering tutors met : UTTERMOST

6-down – Calls heartless doctors : RIGS

7-down – Reveal holiday rash : OUTBREAK

8-down – Son has neater grass cutter : STRIMMER

13-down – Way budget shows self-restraint : MODERATION

15-down – Such panic upset monkeys : CAPUCHINS

16-down – Deer encountering initially noisy insect is motionless : STAGNANT

17-down – Distant object is old coin : FARTHING

19-down – Issues NEWS … : POINTS

20-down – Missing smoker’s accessory Henry dropped : ASTRAY

23-down – Edged in this way entering study backwards : NOSED

24-down – Summon spectacle for auditors : CITE