Across
7
Dominant undisputed leader (4,2,3,4)
9
Approve; rubber-stamp (8)
10
TV Western starring Clint Eastwood (1959-65)... (7)
12
...and the location for many Westerns (5)
14
Bantu language closely related to Zulu (5)
17
Strategy: volume of old stage scripts or sporting tactics (8)
18
Lady's fingers; gumbo (4)
20
Be acquitted or escape with little or no punishment (3,3,7)
Down
2
Collection of Dickens' short pieces (8,2,3)
3
Referee's call in football and rugby (7)
4
African nation, capital Accra (5)
5
S American mammals: Linnaeus' and Hoffmann's being the only extant species (3-4,6)
6
Not in the frame; losers (4-4)
11
Foremost Greek warrior at the siege of Troy (8)
13
Savoury for which Melton Mowbray is best known (4,3)
16
Greek holiday island in the Ionian Sea (5)