Telegraph crossword

Across

1 Alto, e.g. (6)

4 Teem down (4)

9 Au revoir (5)

10 Kidnap victim (7)

11 Radiation gauge (6,7) 12 Cidery (anag.) (3,3) 14 Boo (6)

17 Relative by marriage (8-2-3)

21 Item on show (7)

22 Legal excuse (5)

23 Ceremony (4)

24 Upward measurement (6)

Down

1 Informal language (5) 2 With some commotion (7)

3 Evade; puzzle (5)

5

6 Cook in oven? (5)

7 Emotional disturbance (5)

8 Recede (anag.) (6)

12 Evades; ruses (6)

13 Live together (7)

15 Taking a life (7)

16 Letter; river mouth (5) 18 Theatre escort (5)

19 Furious (5)

20 Part of arm (5)