Across
1
Cold-shoulder – ‘cos I stare (anag) (9)
8
Highway network components (5)
10
Angry and indignant (8)
17
Sea songs – thin seas (anag) (8)
19
Measure of voter participation (7)
20
Home to La Scala and the San Siro (5)
21
Warship which escorts larger vessels (9)
Down
4
Remote (as of an area) (12)
6
A Trump ordeal (anag) – impervious to attacks (6-6)
7
University qualification – for a smart set (anag) (6,2,4)
18
Knock at the door during bingo? (4)