THE QUICKIE

ACROSS

1 Senior nurse (6)

4 Food cooked on a skewer (5)

7 American city (10)

8 Mosque prayer leader (4)

9 Chide (5)

11 Beginning or origin (7)

13 Nonsense (7)

15 Rescind (5)

17 Rugby forward (4)

18 Field glasses (10)

20 Picture puzzle (5)

21 Small mechanism or device (6)

DOWN

1 A season (6)

2 Light haircut (4)

3 Seek new members (7)

4 Sorts (5)

5 Long scarf (3)

6 Unable to see (5)

7 Heavy artillery piece (6)

10 Commands (6)

12 Migratory songbird (7)

14 Skilful or knowledgeable (6)

15 Fossil resin (5)

16 Makes secure (5)

17 Poke (4)

19 Pen part (3)