Cryptic crossword No 3,170

Across

1. Carnival not opening is illegal (6)
2. See 13a
3. Agree to get married after admirer (8)
4. Graduate's pack hound? (6)
5. Cut around soft weave (6)
6. Fine cookbook Ayesha's holding (4)
7. Risky way of killing flying vampires? (4-6)
8. Expert farmer's place, perhaps? (11,2,3,5)
9. Collar pin (4)
10. Went again, returning stronger? (6)
11. House over on Dream City? (8)
12. Perhaps stop a Labour communication? (6)
13. War in IRA over brand? (6)

Down

1. Curry (phaal) as a meal, gobbled up (6)
2. Develop a French pleat (6)
3. Festival about validity? No thank you! (6)
4. Approved design: ball dress taken up and altered (8)
5. Stylish, like an actress? (6)
6. Half of Swedes admire passion (6)
7. Spooner's positively erotic good wishes! (5,3)
8. In Hawaii, some Republicans are different (but fundamentally still the same?) (6)
9. Stumbled on low-grade light source (6)
10. Women wearing uniforms on ship eagerly decide to start getting impregnated (8)
11. Shameful figures clad untidily (11)
12. Northerner at church ruin (6)
13. Man with organ played a tiny bit (8)