1: Send back gangster's gun to get ID (3)

3: Facility left for supporter of the arts? (5)

5: Venomous enemy lurks in Caspians (3)

6: Fuss about a party (3)

8: Feeling Starsky's buddy has a change of heart (5)

9: And not in town, ordinarily (3)

10: One politician's a brat (3)

11: A key passage (5)

12: Club with space for some money (3)

1: Turncoat's first motive for disloyalty (7)

2: More than one grown-up kids' tender hearts god broke? (9)

3: Formerly thoughtful and dear? (9)

4: Irresponsible friends show up merry (9)

7: Opposition leader has share in speech (7)