10 One promoting lunatic loses his head (2-3)

11 Banker hosts brief party for old salesman (9)

12 Division created by, say, Labour women having everything (5,4)

13 Power ultimately extracted from water? (5)

14 Withdraw instruction to provide very loud prelude to opera (4,3)

16 Perhaps Chinese Nationalist follows festival (7)

18 Manufacturer delays introduction of chemical apparatus for industry (7)

20 Deeply emotional person intense almost to the end (7)

22 Leaders of Group of Seven lacking heart before start of summit (5)

24 Romanians dispersed here? (3,6)

26 Some layabout's deprived of uniform from now on (3,6)

27 It's more expensive after pair splits, and colder (5)

28 Do whatever it takes to finish on zero (4,2,7)

 2  Imposing house north of the States having wings demolished (7)

 3  Butter and milk producer (5-4)

 4  She'll not get credit in text on radio (5)

 5  Weakness of casting Frasier abridged with Niles missing alternate shows (9)

 6  Numbers like this one and the next in cycle (5)

 7  Release story in revised edition very shortly (7)

 8  Lyric's content over hot and a bit dry, unfortunately (5,8)

 9  Where life may be obtained after death (8,5)

15 Prudence is drunk, naked in woodland (9)

17 Trump's uncle and I keep shtum about what's what in Madrid, being over-sensitive (9)

19 Shrink growth on bottom without initially cauterizing (7)

21 Language misrepresented in Farsi? (7)

23 Vessel found in rising waters (5)

25 NY dealer's circle reduced in number (5)