1: Plunges about in State's evidence (5)
4: Merry-go-round made from a vehicle with wake-up lamps in front (9)
8: Nothing taken in easing random pains (7)
10: Person believing - except for Satanic evil (5)
11: Corpse apt to turn up in science fiction (5)
12: Young boy capturing us with snapshot, initially incurring mistrust (9)
13: Ideas educate to reveal that things have relaxed.(5)
15: Ante up after raise from volatile Sicilian? (5,4)
16: Sycophant of knowledge, essentially, in those scoring 1600? (9)
18: Try abbreviation for South America, we hear (5)
20: Healthy again, adored having company (9)
22: Some unpretentious language! (5)
24: Miserable raise follows poor grade (5)
25: Philosopher from Spain travelling around Australia (7)
26: New York decries eccentric period of medical training (9)
27: Roosevelt's undergarment? (5)