Cryptic crossword No 3,771

Across

1. Clumsy hitchhikers use them to follow everybody (3,6)
2. Condition report (5)
3. No beginning or end to an anatomy dissection in 12 14 (7)
4. Criticise a church that's the ultimate in Baroque style (7)
5. Beaches, for example, fulfil me to some extent (4)
6. Pull 12 (4)
7. Stupidly naive to reveal birthmarks (5)
8. In the morning, Mr Trump meets a northern 11 (8)
9. Stand with comfort before starting to limp (5)
10. 12 invading Denmark sometime before nightfall (4)
11. Good day to wear specs in 12 14 (4)
12. 12 14 16 (8)
13. 12 14's sovereign territory on Russia's southern border (7)
14. Fun ahead of wedding spectacle includes ticket for Nag's Head (4,5)
15. Freedom of Head of English to wear patchwork trilby (7)

Down

1. 12 14 held back by Vanessa's nakedness (6)
2. Mentions a struggling 12 14 (9)
3. Poems about Derby venue (5)
4. Lactobacilli noiselessly covering 12 14 (8)
5. Rent, we're told, is to be increased (6)
6. On two occasions, when in France, you manufactured dancewear (4)
7. More hackneyed elements of first alert (6)
8. The Isle of Wight is twinned with an 12 14 (4)
9. Ready to be viewed on the toilet (2,3,3)
10. At what point will he explore new openings? (4)
11. Virgin territory for 12 14 (8)
12. Leading outspoken 12 14 (5)
13. Neglect of us touches one 12 14 (8)
14. Drinking yoghurt given to extremely nice dog on television (6)
15. That man will broadcast in Cuban, for example (4)