Cryptic crossword No 3,481

Across

1. One from first force will twist alley doormat (3,6,6)
2. Romantic left to return fancy with one right inside (7)
3. Books the French without securing spa before one (13)
4. Broadcast to finish now, please (6)
5. Meet here for fillers? (6)
6. Goddess accepts kiss from cold Americans (7)
7. Wants anger after snake seizes head (7)
8. Study reports large town with eg. ten houses per square mile (7)
9. Horribly belittle but he will put up with it (4,3,6)
10. Cut down fairly, inside we followed the crook (5,3,7)

Down

1. Europeans around in times past produced gas (6)
2. Usher in streetcraft; leader to regularly cheer for tax (5,3,7)
3. Bicycle mat is found by climber (8)
4. Midnight flights for embarrassed peepers (3-4)
5. Character will submit, swapping lead pencils with hip European (11,4)
6. Top leaders maybe nuts (7)
7. Good or bad, it's a dreadful state (5)
8. Coffee from here troubled her most (7)
9. How wired was that episode here?! (2,6)
10. Drink sounds like trouble for anglers! (4,3)
11. Small wise one crumpled towel (5)
12. French keep British wisdom. (6)