Cryptic crossword No 4,122

Across

1. School is firm with absent children (5)
2. Writer struck by Armistead Maupin's debut about city (9)
3. Fake Teletubby stuffed with used pants (6)
4. Bad bank and where it might operate (8)
5. Colleague from a special spy agency intercepting notes  (9)
6. Setter joins extremely dirty students to see Nirvana (5)
7. He does a daily run of 1000 metres in Italian city (7)
8. Puritanical Scots go around regularly getting arrested  (7)
9. Spy service's No.1 and new No.2 turned (5)
10. Difficulties Treasury’s numero uno linked to foreign money  (8)
11. A day is taken in Scottish bank to find file  (6)
12. Caught in bomb, a thousand journalists are blown away (9)
13. Turn tables at last on management (5)
14. Profession - a teacher in Dublin, for example? (9)

Down

1. Banker ultimately receives spell in custody (10)
2. Wet?   About 26 taking refuge inside tree (5,3)
3. Newspaper writing about harbour and what ships bring in (7)
4. Hardened elite troops defending attack from the rear (5)
5. Lady's slipper, for instance, made from trimmed whale skin (6)
6. Musical chairs, naked!  (4)
7. Leave house drunk daily (7)
8. Left with assorted different drinks right when the pub's about to close   (4,6)
9. Gold nugget with a line going round (7)
10. Scandal created by press finally probing Princesses involved in fatal car crashes   (8)
11. Poem about conclusion of journey by ship, end of story! (7)
12. Union overexcited by closure of candleworks (6)
13. Fat novel changing hands (5)
14. Neither the first not the last occasion to have fun!    (4)