Across
3
Scheme to unfairly incriminate someone (6-2)
9
One has no prospect of success (2-5)
14
Like an illness caused by e.g. stress (13)
22
Narcotic to which Marx likened religion (5)
25
Metallic element used to make brass (4)
Down
4
Kind of cat or butterfly (13)
5
Material favoured by academics and farmers (5)
7
Chess piece which can be promoted (4)
8
Communicative faculty (6)
13
Comprising various elements of different kinds (8)
20
Inhabitant of Fallujah or Kirkuk (5)
21
Scottish region – character in Friends (4)