This crossword No. 15057 clues and answers were published on Fri 10 Aug 2018 and the puzzle can be visited by following The Guardian Quick Crossword No. 15057 link.
All Across Clues and Answers:
1-across – Philistine giant slain by David : GOLIATH
8-across – Self-inflicted harm : OWNGOAL
9-across – Give assistance in time of difficulty : SUCCOUR
10-across – Haranguing — horizontal bar on supports : RAILING
11-across – Histrionic incident : SCENE
13-across – Sweet smell — clone deer : REDOLENCE
15-across – Approach slowly and imperceptibly : CREEPUPON
18-across – Triangular part of a wall supporting a ridged roof : GABLE
21-across – Nocturnal raptor : BARNOWL
22-across – Mediocre : AVERAGE
23-across – Element used in electronic circuits : SILICON
24-across – Exhibition : DISPLAY
All Down Clues and Answers:
1-down – Draws breath sharply : GASPS
2-down – Filthy money? : LUCRE
3-down – Beyond criticism : ABOVEREPROACH
4-down – Repellent : HORRID
5-down – Reluctance : UNWILLINGNESS
6-down – Healing drink : POTION
7-down – Deadly epidemic : PLAGUE
12-down – Mrs Mopp : CHAR
14-down – Fossil fuel : COAL
15-down – Art movement pioneered by Braque and Picasso before 1914 : CUBISM
16-down – Signs on : ENROLS
17-down – Country joining the European Union in 2004 : POLAND
19-down – Rowdy scuffle : BRAWL
20-down – Foe : ENEMY
This crossword has in total 26 where 12 are across and 14 are down.