1: Resolute British detectives in action (7)
6: Challenged Ruby after district attorney (5)
9: Making a comeback in White Horse Inn, a musical heroine (5)
10: Frolicking, pals-y team? (9)
11: Guess what the benighted marksman did? (4,2,3,4)
12: Mild expletive for a sea-faring people? (9)
15: Children nicely holding back secret (5)
16: Go in with singer Karen, forgetting fish (5)
18: Study a French instrument - it's a puzzle (9)
21: Free sex, lips in beer; it's beyond words (13)
23: His stable is unstable, it's found (9)
24: Write off aggregate (5)
25: Not here? No, no! (5)
26: Edits Russian performances (7)