CROSSWORD

ACROSS

1. Corporal drunk in charge when guarding master (7) 5. Somebody's mum pinched by sexist? (3,4) 9. Make laws on introduction of inflammable rubbish (9) 10. Prime letters for clueing a single Italian (5) 11. Important vitamin fed to young animal (5) 12. Extreme difficulty with fit on small loose garment (5,4) 13. Socrates' usual complicated challenge for division? (7,6) 17. Pervert acts as his mood changes (4-9) 21. Line-up so worried about Times sacking? (9) 24. John with odd bits of foam sponge (5) 25. Artist's champ (5) 26. Brandy man on beer, drinking very quietly (9) 27. Party enforcing sixpack ban? It's not possible (2,3,2) 28. Old Frenchman's grazing cattle finally moving forward (7)

DOWN

1. Primarily sold packed lunches in fast food joint (6) 2. Tricky staff? (5,4) 3. Hollow skins left in Tuesday's scraps (7) 4. Attendants from Europe breaking frame I chucked out (9) 5. Mark's first wife overlooked by brother (5) 6. Old scientist from Middle Eastern lake, briefly over (7) 7. After vacation, homework at uni contains first-class poem (5) 8. Finally bet on neither odd number (8) 14. College works to introduce new electronic notes? (9) 15. Intelligent European principle (9) 16. Savings at an end: it stops celebrity backing spender with lowbrow tastes (5,3) 18. Marshall in LA worked with 25 (7) 19. Hush after street leaves complaint (7) 20. One who fails to beat king and queen (6) 22. Anxiety relating to certain countries that's not his (5) 23. State bore recalled stopping Nixon regularly (5)