Cryptic Crossword

ACROSS

1. If one late act turned up, it would make things easier (10)

7. Bird watcher on duty hiding one (5)

8. Bone cup, alas, is broken (7)

10. Root worm out, but not today (8)

11. Perform certain character changes (4)

13. It supports a U.S. toddler, having got out of the vehicle (2-4)

15. Call Eric, not Al, about being a church member (6)

17. Plenty of room for trains to follow first class (4)

18. A U.N. cliff disaster? It’s all in the mind! (8)

21. Being seen in heavy footwear, that’s the point (7)

22. Glass cover for beds? (5)

23. Royals come down to earth in Australia (10)

DOWN

1. Meeting for a drink at the Foreign Office (5)

2. Carry ton around? Quite the opposite! (8)

3. Instruction in wearing fewer clothes? (6)

4. It’s used to carry pictures back to youth leader (4)

5. The egg-head disappears, under the weather (7)

6. Snap result of negative development (10)

9. A cute trail, possibly, but well-constructed (10)

12. Sackable offence committed on a stretch of water (5,3)

14. The vehicle I half-bought was a real beast! (7)

16. Total inclusion of sad disarray in the city (6)

19. Fined for being an evil person? (5)

20. Joke copy produced on June 1st (4)