Cryptic crossword No 2,785

Across

1. Both sides of Europe constrained by Church resistance to celebrate (5)
2. Unusual tailless bird pursuing very strong drink (5)
3. Books he initially rejected judicious in another way (9)
4. Pretentious nonsense, playing a bugle! (6)
5. Blunder in by following grating sound of disapproval (9)
6. Write for another good entertainer (5)
7. Give house-room to Russian leader dropping in before hike (3,2)
8. Bottom of mythical heap contributing to Plato's sayings (4)
9. Dispense with overturned method's original test (4)
10. Bird was rather at sea, bearing east (10)
11. Some deliveries appear to be victorious (8)
12. Conclude call in, returning when someone's expected (9)
13. Chanced upon exceptional, retrospective, unknown writing style (8)
14. Belgian, rejecting international methods at first, can spoil dessert (10)
15. Modernize reclaimed land, investing the day before going round (9)
16. The head of narcotics cleared coke from those premises (6)

Down

1. Avoid damages at first introduced by magistrate (5)
2. Real focus of activists' rising anger put up for discussion (9)
3. South backing US President for the most part, an old form of abuse (6)
4. Happen to ridicule naked scoundrel (5)
5. Cause a strain on pointless playwright (4)
6. Environmentalist holding me back in a tense correspondence (9)
7. First sign of weakening in marketing growth (8)
8. Difficulty circumventing victim's first account depleted costly defence (8)
9. Slow moving, but contributing to wisdom (4)
10. Block type losing touch of clarity, turning mother enraged (7,3)
11. Irreconcilable information ditched en route (2,7)
12. Old man possesses blood group police used to make soundings (10)
13. Possible snakebite remedy sees half caught up in turn (5)
14. Abandoned award half-heartedly, broken by vacuous protest (5)
15. Back up around twopenny performer (6)
16. Understanding conflict adjacent to a German city in chaos (9)