Spectator 2505

[Matakari]

Good Day,
Not the typical Doc this week! I'm seeking some Answers/Hints for the
following, please ! Thanks in advance !

ACROSS:
1 I returned with note and wave to Bletchley Park expert (11, hyphened) : C??????????
20 Amateur left, watching train (6) : S?????
22 Excited, once, in river, surrounded by upland (7) : A??????
41 Etna, beginning to erupt twice, under whirling cloud of volcanic ash (11, two words) :
N?????????E

DOWN
4 28 batiks pulled down in Scotland’s first New Town (12, two words) : ?ANE????R?A?
14 Crooner and unmistakable tsarina performing (12, two words) : ?B????I?L???
21 Qualified, though detailed (9) : S??C?????
25 Shoot at in head of bank’s estate (6) : ?RA???
31 People grabbed by you turned hostile (5) : E????

[JJ109]

4 28 East Kilbride was the first New Town in Scotland
I can see an anagram of Batiks
Is 28 part of the clue or where the second word fits?

[JJ109]

31 Enemy (hostile) = men in ye all reversed

[JJ109]

14 looks like Frank Sinatra (tsarina anagram)

[cashier]

25 Branch

[JJ109]

1 Code Breaker (Doc/I reversed) + E (note) + breaker (wave)

[cashier]

21 Specified?

[JJ109]

20a St(a)ring ?

[Neveracrossword]

Matakari, I thought the atypical Doc puzzle might mean you wouldn't have your usual struggle this week! Still, the answers below should help you fix all your mistakes and fill the grid. Let us know if you want assistance with the theme, though you might have seen earlier references to it.

[Matakari]

Many thanks to all! I'm still working on the cryptics
before I can go to the unclueds!