No 12671, Saturday 06 Jul 2019, Buzzer

ACROSS
1   Chastening fellow setter, happy to knock vacuous clue (11) COMEUPPANCE {CO}{ME}{UP}{PAN}{CluE}
9   Process of prioritising, working great around hospitals essentially (6) TRIAGE {TR{h..pIt..s}AGE*}
10 Sang praises of old lover — took it as a duty (8) EXTOLLED {EX}{TOLLED}
11 Low point of revolting free article (5) NADIR {RID}{AN}<=
12 Put right notorious criminal? Not so (4,3)  IRON OUT {NOTORIoUs}*
13 Secretaries facing one's stricture (8) STENOSIS {STENOS}{1'S}
15 Oily and gross, a piece of cake (6) GREASY {GR}{EASY}
16 Woman in strife with domestic appliance (6) WASHER {WA{SHE}R}
18 Swigging gin cured loss of excess weight (8) REDUCING*
20 Wordplay — wicked reversal bringing cheer (5,2) LIVEN UP {PUN}{EVIL}<=
21 First woman to box, a dead duck (5) EVADE {EV{A}{D}E}
22 Language like 'Open Sesame' (8) ASSAMESE {AS}{SESAME*}
23 It indicates the hour where water freezes shut (6) O'CLOCK {0C}{LOCK}
24 Gang pile up on male outside cell (6,5) MOBILE PHONE {MOB}{PILE*}{H{ON}E}

DOWN
2   Two legs at great length (2,3,2) ON AND ON {ON}{AND}{ON}
3   In disagreement about ruler (5) EMEER [T<=]
4   They show a degree of reverence heading off agents surrounding Bond (7) PIETIES {sPIE{TIE}S}
5   Cast do go to pieces filming fine tragedies (4,2,3) ACTS OF GOD {CAST+DO+GO}* over {F}
6   Approximately large section of pizza (7) CALZONE {CA}{L}{ZONE}

7   Book club to forget keeping account? Be done with it (5,2,1,5) BRING TO A CLOSE {B}{RING}{TO}{AC}{LOSE}
8   Killing scene at the end? (5,8) DEATH SENTENCE* Semi&lit
14 Still mastering golf, it is turning to be plain (9) SERENGETI {SEREN{G}E}{IT<=}
17 Try ham, veal got after rump cuts (4,1,2) HAVE A GO {HAm}{VEAl}{GOt}
18 Full on exercise prisons to allow (7) REPLETE {RE}{P{LET}E}
19 Comedian keeping place in series (7) CHAPLIN {CHA{PL}IN}
21 Time is hard to manage growing up (5) EPOCH {H}{COPE}<=

Reference List

Old lover = EX, Dead = D, Leg (side) = ON, Fine = F, Approximately = CA, Large = L, Book = B, Golf = G, On = RE, Exercise = PE, Place = PL, Hard = H

Colour/Font Scheme

Definition, Solution, Component letters, Embedded links, Theme word,  Anagram Indicator, C/C indicator, Reversal Indicator, Hidden word Indicator, Letter Pick indicator, Deletion Indicator, Homophone Indicator, Movement Indicator, Positional Indicator, Substitution, Indicator, Link/Connector, Extraneous

GRID