Across
1 Cruelty I see in man (6) MAL(I/C)E
4 Caused by extremely careful characters — it’s dead end (3,2,3) CUL DE SAC*
9 Poisonous gas is near ground (6) ARSINE
10 Shadow boxing, say taken to higher level (8) DOGFIGHT
12 He's dispatched to keep shifting gear in service (8) SERGEANT
13 By and large, Byrd goes out with a girl (6) ANGELA
15 Press a number, and the country follows (6,6) FOURTH ESTATE
18 Wrong — vice versa, not right (12) CONSERVATIVE*
21 Tool setter's in the back (6)
22 Herb's most uneasy inside car by day's end (8)
24 Hold up group, it's on line (8)
25 Self control not often lost in ancient text (6) SCROLL*-often
26 Showed respect — blunt side used (8)
27 Big toe's well known (6)
Down
1 Same feat reproduced in the old kitchen (4,4) MEAT SAFE*
2 Passion turned sour in glossy (8) (LUST)(ROUS*)
3 For once, niceties exchanged with sweets (15) CONFECTIONARIES*
5 Not business voucher on top (4) [-co]UPON
6 The sure thing (8,7) (DEFINITE) (ARTICLE)
7 Ring — It's gone, love lost sadly (6) SIGNET*-o
8 Sleep over, fight for breath getting up (6)
11 Perhaps sent in, a quarter deep (7)
14 Beginning shortly — Music festival's rising fame (7)
16 Drink up — a warning overall (8)
17 One round in shade — did something eco-friendly (8)
19 Spies in Langley have a local picking up what's spoken in Baghdad (6)
20 He went into battle, loveless but composed (6)
23 Poetry doesn't start with language (4)