Cryptic crossword No 1,249

Across

1. President books the quarters within vast hotel compound (6)
2. American following Republican account – one doing spin about 50 states (6)
3. Old Turk, German fellow and Middle Eastern state share a bank (7)
4. Captivated by Cats – even the interval (7)
5. "Hail Asgard!" stirred up legendary swordsman (3,7)
6. Puckish entrance leading to bow (4)
7. Tube taken by someone who needs to rush off (5)
8. Theatrical waiter could be on stage with a bit of rehearsal (8)
9. Is sleuth returning to open certain letters?... (8)
10. ... maybe second set of lines found after second reading? (5,4)
11. See 18
12. Pressure mounting on firm given millions for making stuff up (10)
13. Italian visiting England masters puzzles (7)
14. State has some humanitarian aid nicked in revolution (7)
15. See 1d
16. Agree to attempt short back and sides for narcissist (6)

Down

1. Sites of culture hide priests after Reformation (5,6)
2. However tense, meditation can help with it (7)
3. Get a view of grasslands, says? Not from these (9)
4. Shrink from a man in uniform? On the contrary (5)
5. Bake Off plugging trendy amateur technique for sorting bloomers (7)
6. Drama for one held up by essentially extinct gag in Globe? (9)
7. Kinky heteros plus one? (9)
8. Bear who took in Mowgli takes another student around lair – it’s got bigger (9)
9. Girl initially put out by date refreshing Instagram to reveal trees (9)
10. Experts in viewing presumably discussed cool episodes (3,4)
11. Unable to sit still, Methuselah has to follow others (7)
12. Stop account deletion, tapping escape key with only seconds left (5)
13. Band's new sound has tenor going low (5)