1: Polyamide used by many Londoners (5)

4: Doris has residence in old West African republic (7)

8: Oxygen is pretty amusing. (3)

9: Something that may move a hammer to engineer a murder (7)

11: Walesa still embodies how Nobel Laureates soar? (3)

12: Country encircling one's country (9)

14: Emergency room stocks one sensitive organ (3)

16: April keeps providing material for a poet (5)

17: Lug worm finally being a symbol (5)

19: Mr Stewart on the staff (3)

21: Disgusting attack (9)

23: I am reported to leer (3)

24: Mount seen the day before the others (7)

25: Inactive side (3)

27: On second thoughts, rising fish glitter (7)

28: A drain could be at the bottom (5)

1: Complain about the horse (3)

2: Missed hoax set up to trap Sunday drunk outside saloon entrance (4,5,2)

3: Explosive device held by one failed candidate (7)

5: A right given to colliery worker or sailor (7)

6: Root for mounting might (3)

7: Wizards covered in liquor and beer...it might be for charity (7, 4)

9: Witty remark, for example, about constant batterer (7)

10: Road without a pole (4)

11: Check strong drink of 22-acrosss bold alter ego (5,6)

13: Inspects old radical for a moment (5, 6)

15: Tense, but otherwise flawless (7)

18: African president to supply workforce with New Deal? (7)

20: Hun paid out for French prince (7)

22: Anger that is constraining response (3)

24: Aliens set off (3)

26: Mink, for one, may fly when theres trouble (3)