1: Banners waving in British position (15)
5: Rinse out pine compound (5)
6: Town's rail transport, not express? (9)
10: Briefly viewed bigot's heart, opened like a boil (7)
12: Many Christmas trees ultimately left in the best place? (5)
13: Crook skimmed cash register? (3)
14: Wants - in fact, just has to have (5)
17: Go up cedar's first branch (5)
19: Perform part of play (3)
20: Bishop has support from this criminal (5)
23: Cocktail set king supporting the flag (4,3)
24: Backing Brown University comeback, of course (9)
26: Retro gents in exotic parks (5)
27: Dr Sades moving residence (8,7)