1: at peoples uptown bar for starters? (3)
2: Fool to join recital (3)
3: Gibson working for shareholders' profit (5)
4: One in charge of carbon filament (5)
5: Fall fall stops? (6,3)
6: Shorten a spine with boron injection (7)
7: Employ heart-broken Spartans where disaster came to pass. (11)
9: Apprentice relinquishes heart to temptress (7)
11: Employ heart-broken Spartans where disaster came to pass. (11)
12: Perfect counter-spy equipment (3)
15: In morning, use me and part of the Bible for diversion (9)
16: Mr. Upton dressed, one suit being just like any other? (2-5)
19: Nathaniel cuddles one squirming infant (7)
21: Child, bask by the sound (3)
23: To escape with lover from Warsaw, man climbs last section of fence (5)
24: Minor Roman deity with a list of the animals of a region (5)
27: Provoke Church of Scotland's absent leader (3)
28: Sister gets nothing, we hear (3)