1: Essentially, what boy is wearing (3,2)

3: Characters producing exit with cross? (9)

7: Put a new value on what secret agent is hiding (5)

9: Disgusting attack (9)

11: Dangerous undertaking skiers in busy S bend (5,8)

12: Does not see the advertisement because it is in the wrong section. (13)

16: Let not passion sway philosophers (3-10)

18: Liquidation of one country led by pair of fools (13)

21: It's normal if evil?! (6, 3)

22: Peeled, making Pop embarrassed? (5)

23: Signal given more shape at sea (9)

24: Serious changes at the end of a kind of train (5)

1: Difficult newspaper or novel (4,5)

2: College entrance exam angers with parodies (7)

3: Excellent osseous dark wood (5)

4: State proviso (9)

5: It's over, over, over, kept apart by past payment (7)

6: Casts off shacks (5)

8: Oxygen is pretty amusing. (3)

10: I hear not many insulted a real McCoy (7)

13: Be quick to make appearance with instrument (4,5)

14: The outbursts one hears are hers (7)

15: Dee Star danced in two clubs recently (9)

16: No saint takes strong drink as a remedy (7)

17: Drink produced as grain ferments (7)

18: Some of the best came stumbling south (5)

19: Making a comeback in White Horse Inn, a musical heroine (5)

20: Rascal and wuss taking week off (3)