1: Asian river ordeal; it's upset manufacturer (13)

9: Sort of plain fur! (5)

10: Call for help oddly stops (3)

11: Turning up in Alcatraz, Al Pacino is a square! (5)

12: Crackers in bulk? Yes (3-4)

13: A girl in distress, sought by knights (5)

14: They keep servants (9)

15: Unprepared, a little gerbil darted the wrong way (2-3)

17: Skipped the French army physical training (5)

19: Castle ran out of ones forebears (9)

22: Slight urge at night (5)

23: Bad cons make a break and run away (7)

24: Dance starts to worry winner (5)

26: Anger that is constraining response (3)

27: Sitting in tree, sparrow's beginning song (5)

28: Ministers ordain art evil? I doctor a reversal (13)

1: Bigoted, ideological extremes in preamble to bill are misguided (9)

2: Bank's even keeping a bribe that's put up (7)

3: Bright-sounding agenda touches on heavyweight legend (5,6)

4: Decide to find a new answer (7)

5: Responds to a state with a royal bearing (7)

6: One politician's a brat (3)

7: Hikers' path around Virginia is hard work (7)

8: Piece of wisdom from a quiet aristocrat (5)

13: Hang back, keeping right next to person buying a jumper (11)

16: Al's gamble on outcome of sports (4,5)

18: August moon crosses over bits of mica and corundum (7)

19: One in Canada, peut-tre? (7)

20: Like cold chops without nuts (7)

21: Art and Fred, horsing around, draw up new plan (7)

22: Posed in glossy fabric (5)

25: Thumb Drum? (3)