The Brain Teaser

ACROSS

1. Fought against being declared obsolete? (8)

5. The high spots of a genealogist's day? (6)

10. It could be “Silent Night” was written by Dickens (1,9,5)

11. What broke the biscuit-barrel? (7)

12. Unhappy as the duck that swallowed a ball of fur (7)

13. A star skater is coming a cropper (8)

15. Goes through the motions of entertaining you (5)

18. Becomes less strict and lets fifty off (5)

20. Speed with which to build a stronghold? (8)

23. From his wail, I'd say the foreigner's in a bad state (7)

25. Motor to the river and have a really gay time (7)

26. Is “big” stamped in reverse all the way through it? (4,2,9)

27. Don't like to see Ted mixing with the wrong set (6)

28. Misfortunes one turns into benefits? (8)