6  This is subtly able to suppress very loud noise (6)

 8  Widespread outbreak of abdominal pain around a Thailand hospital (8)

10 Acting mayoral candidate can rule out playing number two to Lewis (8)

11 Politician involved in Ireland business conglomerate (6)

12 Dead trees pulped, creating a barren wilderness (6)

13 Some characters surprisingly learn sums endlessly (8)

15 Rows here - at this venue? (3,3,5)

21 To disconcert, behave less responsibly (8)

24 Emperor's revolutionary new skill gets German approval (6)

25 Leading activists record climate temperatures with ice reduced by a third in the far north (6)

26 Computer equipment regrettably bypasses independent and nationalist Europeans (8)

27 Model award presenter posed embracing a bloke, getting some laughter (8)

28 Some light at the end of the pandemic, with live entertainment starting (6)

 2  Drunk neat after bread in Tokyo, a drink to get you going (5,3)

 3  Spots a villain last seen in church (4)

 4  Coroner keeps masks and gowns for police officer (6)

 5  Inept government is run with an ass dominating (7)

 7  Mistake by the queen concealed by Foreign Office for Italian confectionery manufacturer (7)

 9  Quantity of gas initially required to be imported by the powers that be (5)

13 At rock bottom, desperate character heads north pursued by one-time tax inspectors (5)

14 Icon initially carved out of gnarled lime tree (3)

16 10 by 50 - measure of a very big girl's blouse (3)

17 What 'Strictly' contestants attempt to do with an unfashionable routine (8)

18 Disheartened Jewish leader features in articles describing some people from the Middle East (7)

19 Retirement's a pleasure for sappers (7)

20 Somewhat like a good person, fellow's covering his back (7)

22 Things here are to be dealt with sometime when it's terribly rainy outside (2-4)

23 Old European ready for some education (5)

26 Big screen showing film regularly cut short (4)