CRYPTIC CROSSWORD

ACROSS 1 Go off faster, at last, after jumping the gun (5,5) 6 Manages, finally, but it can take a long time (4) 10 Can give access to an account for clever, eccentric characters (5,4) 11 May have to work for a long time on a musical composition (5) 12 Workers serve successfully under threat (6) 13 Cameron upset by work of fiction (7) 15 On cue, ration out some of the liqueur (9) 18 Doctor hearing about gloomy conditions (5) 19 A dark brown pigment located in Humberside (5) 21 Run into deep vent, but managed to get it stopped (9) 23 Finished off entirely (3,4) 24 Opportunity for church to take over another one (6) 27 Victor headed off to hit close to the centre of the target (5) 28 One lit dance up in exactly the same way (9) 29 Have no additives after the Opposition votes (4) 30 Thought the picture was a mirror image in reproduction (10)

DOWN 1 Following a second time at speed (4) 2 Got permission to go off on holiday (5) 3 Concentrate on the essence of a quotation (7) 4 Track down model car returned to me, in the end (5) 5 Left-winger sure to go out to see game bird (3,6) 7 Common zone around built-up areas (5,4) 8 Had to work hard to deal with inhuman traffic, in the past (5,5) 9 Moulded into shape in training for medical career (6) 14 See action in coup launched to take over another country (10) 16 One may start with poise, but end up in disproportion (9) 17 At one time, forward is expected to start showing prowess (90 20 Run across leading seaman in some cars (6) 22 At the end, left a rod cut short, able to spring back into shape ... (7) 24 ... and old teleprinter was cut short, and left in a basket (5) 25 Had no time to devise tactic to grow some desert plants (5) 26 Put a boy in the picture, using a long lens (4)