Across
1
Indian fried pastry snack (6)
4
Clip, chain or chase? (5)
9
(Informal) UK resident (4)
17
Device enabling photographs to be taken in poor light (8)
19
It may be junk – or first class? (4)
20
UK entertainment industry union (6)
Down
1
Playful piece of classical music (7)
2
Canadian law enforcer (7)
3
Lad's badge (anag) – one of two on horseback (9)
4
Particular stage in a process (5)
5
Unimaginative, routine (7)
6
List of individuals and the tasks assigned to them (6)
11
Patron saint of beekeepers and lovers (9)
13
Ribblehead or Glenfinnan, for example (7)
15
The truth is rarely pure and never simple, say (7)