Cryptic crossword No 3,789

Across

1. Drug users might be standing around river (7)
2. Force Henry to confront Greek character - he's sometimes heavily armed (6)
3. Uncalled for audition well into evening - get a wiggle on (8)
4. You picked up lecturer for Japanese food (4)
5. ...he'll rant angrily to hold attention (8)
6. Crime hub moving innocent children (8)
7. Tyrant's son breaks into warehouse (6)
8. Stew a yeti steak and simmer down (4,2,4)
9. Instinctively becomes aware of time slipping away for Arctic people (6)
10. About to meet Him at last, British monarch finally rests - they rise and they fall (7)
11. The beginning of the middle of the end, perhaps? (6,4)
12. Regretted being loudly unpleasant... (4)
13. 'Say, Bill. Sorry to be missing King. Randomly stuck in Bern. Gutted!' (6)
14. Island where baron has head cut off - twice! (4,4)

Down

1. Grown together...could truce unravel? (2-8)
2. Knock flat, criticise, smear (7)
3. Practices suit Eastender (4)
4. Could be uncertain, obscure (7)
5. Carbon copy passed on by Aussie expert (4,6)
6. Gallery where one at first gets confused with American in drag (4)
7. Get yourself ready and wander briefly around wood before rush to get into pub on return (4,3,5,2)
8. Instrument overplayed by Old Etonian, primarily (4)
9. It's said bladder problems leave you in hot water (5,2,7)
10. Walk both ways in desert (4)
11. Not sure I won't improperly take care of son. (2,3,5)
12. Spit in restaurant (10)