Cryptic crossword - The Scotsman 18/02/15

ACROSS

1 Drunk senator concocted crime (4,7)

9 Lit a different lamp, This one? (4,5)

10 Quarrelsome oarsman? (5)

11 She comes from Anstruther (4)

12 Patroness had shortly switched and swapped (10)

14 Provided extract from Roman linesman (4)

15 Instrument that’s twice as low? (6,4)

19 He argued if annoyed by nominal leader (10)

20 Cor blimey, go quietly (4)

21 Horticulturists’ way? (6,4)

23 Less than dozen leave room for horses (4)

25 Mentioned having lingered by grave (5)

27 As much as an individual container will hold at 4pm? (9)

28 Only a New York article first. Not at all (8,3)

DOWN

1 Locks part of gun responding to very light pressure (4-7)

2 Swallow some tobacco on the way up (4)

3 Larva got hermit puzzled (5,4)

4 Taken in at school, we hear (5)

5 Took everything off (8)

6 Time to be gained going the other way (3)

7 Begin moving in a particular direction with celebrity, a dandy (5,3)

8 Grating network (4)

13 Take control and a photograph as a result (4,3,2,2)

16 Vehicle from abattoir travelling north (4,5)

17 Clues he’d disentangled in inventory (8)

18 Well-disposed sort of society (8)

21 No end of enthusiasm that’s a blast (4)

22 Penny with teasing desire to have a throw (5)

24 It emits light but not one found underground (4)

26 Commander once more not available (3)