This crossword No. 870 clues and answers were published on Sun 27 May 2012 and the puzzle can be visited by following The Guardian Speedy Crossword No. 870 link.
All Across Clues and Answers:
1-across – Inflammation around the eye : STYE
3-across – Precise, correct : ACCURATE
9-across – Firedog : ANDIRON
10-across – Excessive : UNDUE
11-across – Criminal : FELON
12-across – Use : EMPLOY
14-across – Exist precariously : LIVEONTHEEDGE
17-across – Trifles : TRIVIA
19-across – Hobo : TRAMP
22-across – Damp : MOIST
23-across – Picture mentally : IMAGINE
24-across – Be on good terms : GETALONG
25-across – Dam : WEIR
All Down Clues and Answers:
1-down – Gibbet : SCAFFOLD
2-down – Alpine song : YODEL
4-down – Complete attention : CONCENTRATION
5-down – Seize, take over : USURP
6-down – Humanoid robot : ANDROID
7-down – Water jug : EWER
8-down – Without delay : PRONTO
13-down – 366, not 365 days : LEAPYEAR
15-down – Legal finding : VERDICT
16-down – Sundries : EXTRAS
18-down – Critical; life-sustaining : VITAL
20-down – Confidential remark : ASIDE
21-down – Self-satisfied : SMUG
This crossword has in total 26 where 13 are across and 13 are down.