1: A supporter starting to mock President Garfield's middle name (5)

3: Bluff included in reckless dare in ivy league college (9)

7: Perhaps the sound of the beach is really rock? (9)

9: Relatives reject South Dakota styles (5)

10: Hair fetishist's fastener? (4,3)

11: Managed in lower Antwerp (3)

12: Aliens set off (3)

14: So the ref stands by score, after ejecting a couple of starters (9)

17: At hand no competent help (5)

18: Retro gents in exotic parks (5)

19: Shun use of sinful carnival attractions (9)

20: Begins seeing another divorcee? Deplorable. (3)

21: It comes to a point everyone heard (3)

23: Speak aloud about tic in fruit (7)

24: Dyslexic's tired and distressed (5)

25: Unwelcome visitors oddly unstirred (9)

26: Shocked ensemble leader with ascending note during concert (9)

27: Taint corrupted giant (5)

1: Clearances for the first couple of characters to find answers. (11)

2: Get the wrong idea, damn it, distressed about breaks (13)

3: Sit on marsupials and rats tail (5)

4: Miserable raise follows poor grade (5)

5: European sage knew a novel novel (9,4)

6: One final, huge Greek goddess (3)

8: Minor change in the White House? (6-3-4)

9: Cook ran; ragout spilled; one might jump to conclusions here? (8,5)

13: Small drinks for each young man's agent (11)

15: Inactive side (3)

16: Going after the final piece of puzzle for a very long time (3)

22: Lion's leader publicizes dens (5)

23: Saw palm down (5)

24: Draw the knot (3)