Cryptic crossword

ACROSS

1. Atmospheric disturbances may be constant (6)

5. Surface an expert allocated in feet (5)

9. Trap rat in waste matter with probe (9)

10. Bite marks noticed in cut of meat (5)

11. Risks retaining new-look publications? (8)

12. Possibly one who restricts a military standard (6)

13. Insignificant people in exclusive religious groups (7)

15. Hypocrites added message about sweetheart (7)

16. It may be caught using fishing reel down river (3)

17. Final lot of peas put into a tin and examined closely (7)

19. Pacify a wise man holding us back (7)

21. Leader of Hezbollah, carrying weapons, may be hurt (6)

22. Boss promises to pay academic (8)

25. Make-up of progressive people considered cruel or badtempered? (5)

26. Defeat one accepted in rugby union country (9)

27. Beat members of crew or staff (5)

28. It helps seal demand listed in contract (6)

DOWN

2. Object covered in mucus moved over connective tissues (7)

3. Treasurer originally organised a lot to add up (5)

4. Sites mismanaged in African country may be censured (9)

5. Fellow left former partner with contract (4)

6. Rooster, for instance, stuck with extremely destructive birds (9)

7. Try shortened, lightweight hammer? (7)

8. What’s left on board ship for a child athlete (12)

9. Cool, hip clubs developed an educational facility (6,6)

14. Kid needs, for a change, right apparatus that converts vapour into liquid (9)

15. Parental guidance required outside to locate flimsy toy

(9)

18. Social worker without looks worked with flying squad (7)

20. A cat is done, finally, with spray (7) 23. Pulls up a stretch of turf (5)

24. Badly-behaved child runs into cricketer (4)