4  Liquid nitrogen alert (8)

 9  Fine point and good effort - but not right (6)

10 Did Labour put Bush before Balls? (8)

12 It may be under the counter, but it's honestly ordered (2,3,3)

13 Leader of Socialist Party heading off for a rest (6)

15 Blue collar is on order (7,5)

18 Queen hit by foaming acid at sea - King is imprisoned (1,4,2,5)

21 Agree to spy, if it's the Fourth of July (6)

22 Spray with milk before getting a cheap drink (3,5)

24 Keeper finally goes in goal then lies around as a reward for travelling (3,5)

25 Technique for cooking meat in iron (6)

26 Incredibly, drinks squash after energy drink (8)

27 Extremely classy and popular US island (6)

 1  Time to get a chauffeuring position? (3,2,3)

 2  Cat turned up with one chance to be cool (8)

 3  Barely notice mink thief's in trouble (2,3,4,2,4)

 5  I would point at a picture (4)

 6  Try harder to boot computer? (4,2,4,5)

 7  Like a monster returning the innards of tough Sir Godfrey (6)

 8  Make beloved listener finish first (6)

11 Ensigns hiding on vessels (7)

14 Gore subsequently stood for President? Don't bet on it (4-3)

16 Get grime off device needed for minute measurements (3,5)

17 Mark Phillips initially expressed hesitation over son's runs (8)

19 Fat of the land, say (6)

20 Cause jockey's supporter to lose heart (4,2)

23 Buzzers or beepers, but only the odd ones (4)