Cryptic crossword No 3,844

Across

1. After club's closure, Orient's No1 fan backs different side – that's true faith! (4,5)
2. 20 runs for Strauss, perhaps  (6)
3. Ridiculous sticky stuff found on fly's wings (5)
4. Fly low to avoid endless diarrhoea   (8)
5. Pet cat losing tail and head (8)
6. See Scottish Premiership's leaders, Heart of Midlothian  (4)
7. A colleague with a bit of money could be LOMBARD perhaps  (7)
8. Difficult delivery for doorman (7)
9. Manager shed a tear over closure of works  (4)
10. Rescuer managed to save Jacob's butt – he was in a hellish situation!  (8)
11. Epoxy resin mould is lacking silicate mineral (8)
12. Left back with Norwich City finally gets silverware (6)
13. Writer makes return journey, to find Mecca perhaps?  (5)
14. Information about eg Ayrshire in Scotland reportedly causes revolution  (4,5)

Down

1. Poles up in the north of England, close to Bury - that's curious! (6)
2. Coat from Chanel, always smart (6)
3. Last of trainees with data processing companies is on the job  (5)
4. Refusal to cooperate with police over extremely mundane car crash (6)
5. A way to cover up potty naval officer being abandoned by soldiers (7)
6. Spread lies about a school's head girl (6)
7. A 10's been touring model town in Sussex  (9)
8. Essentially scaffolding work's boring boring – and not hard! (6)
9. Mate swims occasionally outside for exercise  (6)
10. Amid a sort of muddle, Zelenskiy provides leadership with particular strength  (8)
11. 6's high drinking old moonshine  (5)
12. In no time, almost, firm toned body is acquired - this is a clue     (6,3)
13. Partners being driven apart by money is creating excessive concern  (8)
14. Serbia and Montenegro historically includes a small northbound road  (7)