Cryptic crossword No 2,810

Across

1. Night flier upset the Lord, we groan (5,6,3)
2. Give away too much on allotment (9)
3. It’s used to stir shit in tin (5)
4. I stop her being held by awful lecher who acted in 2 movies (11,3)
5. Called into Home Office at last, as within scope (2,5)
6. After five in the morning, irrational about bat? (7)
7. The rain battered plant in ground (7)
8. Bad start in dance? This one’s revolting (5)
9. Horribly drown lured souls here (10)
10. Gaunt rogue swears about old university (10)
11. Fix dire in-app channel of waste (9)
12. Most silly place for eggs (7)

Down

1. Boring person who really gets inside your head (9)
2. Here is (for Macron) the most chilling (6)
3. See 18d
4. ’Less British, more English’ in troubled Roy Webb feature (7)
5. Possibly superb passerine Beryl Reid cooked, losing some energy (8)
6. Plane taking good number out of French city? (5)
7. I’ll defend Catherine after commercial voice-over (8)
8. 5¢ fee to acquire popular actor (7,5)
9. Where to enter answer, ‘Pitt’? (6)
10. Actor selling drugs all round Crete, sadly (5,7)
11. Some said it told the same thing (5)
12. Unimportant person beat other game-players on the way up (6)
13. Formerly healthy duke had a blow-out (7)
14. Around lunchtime, working to support last of the French noble scholars’ calling (9)
15. Tool for a pound (6)
16. See 21d