This crossword No. 12500 clues and answers were published on Thu 03 Jun 2010 and the puzzle can be visited by following The Guardian Quick Crossword No. 12500 link.
All Across Clues and Answers:
1-across – Pertinent : APROPOS
8-across – Action that inflates one’s self-importance : EGOTRIP
9-across – Overly polite : GENTEEL
10-across – Nature — concentrate : ESSENCE
11-across – Last letter of the Greek alphabet : OMEGA
13-across – Intensely disliked thing : BETENOIRE
15-across – Numerical fact : STATISTIC
18-across – Devastation : HAVOC
21-across – Cut off : ISOLATE
22-across – Foot rest for a rider : STIRRUP
23-across – Someone from Tel Aviv? : ISRAELI
24-across – Illicit bar in South Africa, Ireland or Scotland : SHEBEEN
All Down Clues and Answers:
1-down – Hostile behaviour : AGGRO
2-down – Wash lightly : RINSE
3-down – Easily erected on a building site : PREFABRICATED
4-down – Pick : SELECT
5-down – With this, take it or leave it? : HOBSONSCHOICE
6-down – Borneo sultanate : BRUNEI
7-down – Solid figure — range of activity : SPHERE
12-down – Water round a castle : MOAT
14-down – Perform again : REDO
15-down – Ignore something : SKIPIT
16-down – On a ship : ABOARD
17-down – View advanced for purposes of argument : THESIS
19-down – Edge : VERGE
20-down – Castrated fowl : CAPON
This crossword has in total 26 where 12 are across and 14 are down.