Cryptic crossword No 4,064

Across

1. Delicious, thankyou... seconds? Thank you (5)
2. Watchdog's honour to introduce conductor incorporating Schubert composition (9)
3. Troy's wrath ends in unfortunate events (9)
4. Prize diamonds are covered in honey (5)
5. First of clue's cryptic indicators are set on a group of numbers in brackets (20)
6. Bother to frame Navy roundel (5)
7. See 11a
8. Breaking News: Part of fork on firm table carelessly picking up piece of radish, Kelvin quickly eating a meal (11,9)
9. Some forms of acid lead to intoxication when taken by working mother from the East (5)
10. See 18a
11. Plant seeds around yard, best to begin with spring onion? (5)
12. In Thurso, catch a pair of gents and mistresses (4,5)
13. Vehicle insurance claims primarily uncontested here in Canada (9)
14. Lad in charge of sound (5)

Down

1. Twice it turns about, and cases lake (8)
2. Spooner's published satire cover (4,4)
3. Old companion showing up in... where? Fyfield (5)
4. View good within tearjerker (7)
5. British knight nicked snare, carrying a helmet (7)
6. Cup measured up as small prior to drop of espresso (9)
7. Vinegar producer's method: Adding sodium (6)
8. United knocked out by Athletic in deep-seated friendly (8)
9. Writer's groups put to sleep through sound of envy (7)
10. Clear orthoclase cries out to be drilled by one under pressure (3,4)
11. Wine snob turned out uplifted, getting into another wine, raising a... (3,3)
12. ...drink, entertaining to bastards and old ape (6)
13. Fruits have potassium, certainly out-of-date (5)
14. Hold admiral responsible for British victories (6)
15. TV show overshadowed by shooting? This could be how (6,3)
16. Back of vessel, not the front (3)
17. Person of no substance starts to swallow the diet of a cannibal with no cookware? (5,3)