Across
1
'Shock and awe' upset rogue dissenting group (12)
9
Lightning power in Blitz (5)
10
Viewed without subscription, just banking on film needing nothing (4-2-3)
11
19 literature is both this and that, would you say? A shade (4,3)
12
Devoted king stamps a deed (7)
13
Beginning of rumblings in Mexico, the ground giving off heat (10)
15
Old outlaw in Scottish town (4)
18
Immaculate as Swiss cheese, we hear? (4)
19
As in Nordic novel? (6,4)
22
Acceptable to rip off book by Welshman, 19 writer (2,5)
24
Line in red and white stripes originally without success (7)
25
One has to fight criminal writing (9)
26
Tale ultimately penned by Nordic boy just starting primary school? (5)
27
Instil say suspicion at the outset in crime, as 19 writer (5,7)
Down
1
Exeter evacuated, around which wind blows up – American streets emptier? (5,4)
3
Certainly endless energy directed upward turned the air blue (5)
4
From two continents, as Armenia possibly? (9)
5
8 of 19? Something not worth having, I should add (6)
6
Borders closed off in country of sultanate (5)
14
Reported broken window of a clergyman (9)
16
Girl hugged by boy after relative recovered expenses (5,4)
17
Olympian gold finally given to noisy crude American (8)
18
'Hello sailor' appropriate? (6)
20
Insurrection is curbed by cartel (6)
21
Lover's wife, Greek character important, by the sound of it? (6)
23
Group: into eighteen one twice goes! (5)
24
Now forgotten, true maverick comes into range with 19 (5,5,3,6)