Cryptic crossword
ACROSS
1. Slight mistiming for supporters to leave the ring (7,3)
7. A bit of tranquillity, say (5)
8. Go back again with poetry (7)
10. Huge deficit in fossil fuel (8)
11. Fever amongst the beleaguered garrison (4)
13. Production of a moneyspinner, for example? (6)
15. Cooking vessel test in the larder (6)
17. Eager and curious in the past to reach Gateshead (4)
18. He’d not to turn out at the exact time (2,3,3)
21. Tone down a medium for the painter (7)
22. Join in some of the fun: it eases tension (5)
23. Attractive source of water, or very nearly (6,4)
DOWN
1. Explosive food container? (5)
2. Group of men positioned for board meeting (5,3)
3. Wary on forming national football team, perhaps... (6)
4. ... were it not for goalkeeper’s successful effort (4)
5. Sort of piano that shouldn’t go wrong? (7)
6. Room for cunning construction of unearthly machine? (10)
9. Alternate always with revised theory (5,5)
12. Bedlam created by crazy MPs? (8)
14. Flowering plant is a big mistake? (7)
16. Is it difficult to be restless, then? (6)
19. Doctor unwell? What a bore! (5)
20. Throw things at animal skin (4)