Across
1
Father munched a pet slug, say (9)
6
Royal staff sprayed tear gas (4)
8
Choose suspect Prof, suspect Prof (5,3)
9
Score reduced, see, in a good way (6)
10
Doctor can use time allocated for payment (6)
11
Most substantial estimate needing revision (8)
15
Hang around back of barge on river that's dredged (8)
16
Better off study group (8)
21
Gallant boxer punching person going down? (8)
22
War hero's conception: vital force interrupting broadcasting of German unit (6,7)
24
Author, one hammering home the teachings of Joseph Smith, Spoonerised? (6,6)
25
Under pressure with National Insurance contribution, made to pay (8)
27
Decline honour in delicate art of discretion (9)
Down
1
Some wind, as leg cocked up (5)
2
Important guarantee saving time (7)
3
Arm a little longer, if leg! (5)
4
Racket — schpyreme? (7,6)
5
Embarrassment initially hidden by god after dropping trousers (9)
7
Arena where Greek character served up after death in old athlete (9)
13
Superior novel about victory claimed by winner (1,3,5)
14
Blundering in a ledger straightened out again (9)
17
Cold person inflicting pain? Sweet talker (7)
20
A Romeo encapsulated by his allure, spicy stuff (7)
22
Chinese dynasty ending in Rosario — steps taken here? (5)
23
Poor man, wage slave earned money, finally (5)