Cryptic crossword

ACROSS

1. False information supplied by girl after registered lightweight material (10)

6. Brand parts of cow’s ears (4)

9. Bring round dog and vet shortly (5)

10. At what point detective, punched by troublemaker, cried weakly (9)

12. Hitler, somehow guarded by SS, acts like a snake (8)

13. We run after the castrated ram (6)

15. Chapter of saga included another time (5)

16. Bitterness a tribe resolved in evacuated country (8)

18. Gable shut up outside US capital (8)

20. Metric unit or units of measurement on network (5)

23. Hound has crossed over river so far (6)

24. Pupil finally collecting scholarship (8)

26. Bring back governor, say (9)

27. Everyone moved over to island made of coral (5)

28. Decline a long, detailed story (4)

29. American short-story writer previews writers of inferior verse (10)

DOWN

1. Plants with droopy flowers fellow cultivated as such around island (8)

2 & 25. Bishop linked to UK, on safari, transformed West African country (7,4)

3. One in Palestine has treated disease that causes gross enlargement of body parts (13)

4. Weak barrel, given a shake, is crook (10)

5. Announcement of marketing cruise (4)

7. Others upset about a hearing (7)

8. Tracking devices, ones not needed in organised air-raids (6)

11. Britney Spears corrupted churchgoers (13)

14. One leaving title with men in established colony (10)

17. Scottish mountain girl is with people in Asia (8)

19. Doing the wrong thing about a piece of jewellery (7) 21. Harmful denial one associated with a few (7)

22. Routine work not completed by US company of singers (6) 25. See 2