Cryptic crossword - The Scotsman 26/12/2014

ACROSS

1 Side can’t run the lengths they’ve got to go (8)

5 Was responsible for professional employed (6)

10 Play ace in go for money (7)

11 Seabirds gather, that is, in ravines (7)

12 Image that’s sexy seen in post office (5)

13 One can get on with pressing task at Bonawe, for example (9)

14 With the suitability of instrument, be in first class condition (2,3,2,1,6)

17 Alternative account for the basement to the penthouse, say (9,5)

21 Suitable mount for god of thunder riding across riverside plain? (9)

23 Proverbially dead queen’s knocked back laxative (5)

24 ENSA member, perhaps, you reportedly got for nothing from cavalryman (7)

25 Vow _ on the quiet _ to promote servitude (7)

26 Tyrant lays first stone in storage facility (6)

27 Entrances torture by admission of patriarch (8)

DOWN

1 Work Academy’s written up from the beginning (2,4)

2 Taps into normal gravity in places (7)

3 One indulging in online shopping for gemstone? (9)

4 Typos produced when vicars go astray (8,6)

6 Let everyone express pain (5)

7 Bond’s alcohol prohibition began to show movement (7)

8 Catastrophe seen as direst upheaval (8)

9 One not sparring vigorously enough becomes thickhead (8,6)

15 During exam, consumed without will (9)

16 Trained dead cute mongrel (8)

18 Very cross about debts for mink, possibly (7)

19 Ark sent on journey to place most foul (7)

20 Tom changes debut in becoming barrister (6)

22 Trendy petty officer is a wallower in mud (5)