Two-speed coffeebreak Two sets of clues – but the answers are the same

CRYPTIC CLUES ACROSS 1 Bat makes a din (6) 4 Charge novice to touch (4) 7 The shape of cricket in London? (4) 8 Stop and apprehend (6) 9 Vital king has address (4) 10 Help make a wager (4) 12 Love working like an animal (4) 14 One worked for a long time (3) 16 Regard for diocese (3) 17 Appealing to reduce energy (4) 20 Owing to student conflict (4) 23 Muse about creatures (4) 24 Excellent selection (6) 25 Yield a plant ovule, say (4) 26 Regretted sounding ill-mannered (4) 27 Modern centre design (6) DOWN 1 Paper around large field (5) 2 Eccentric message (4) 3 Whole time alto was performing (5) 4 Feta production is destiny (4) 5 Happy to be told not to start (6) 6 Equate to plant growth (5) 11 Hit with fashion accessory (4) 13 Formerly in concert (4) 15 Lower terribly crude note (6) 16 Woman finds queen transparent (5) 18 Cruel sort of complaint (5) 19 Teach how to swindle (5) 21 Employed American journalist (4) 22 Item moving in the fourth dimension (4)