1 Grind over diagram before you start making salsa, perhaps (12)
9 Purity in no spoken meaning (9)
10 King, queen and a whole set of countries get another performance (5)
11 Horrifies friends working for Associated Press (6)
12 Change points in broken rafter (8)
13 It's not odd to follow the Spanish team (6)
15 Joints where uncle's getting mixed up with two Ku Klux Klan members (8)
17 Suitable primarily for that thing (3)
18 Box for madman's Christmas treat (8)
19 One who persists in hanging around? (6)
21 Seriously windy on the outskirts of Leatherhead after an uneventful start (8)
23 Stuffs the last of her inside ornaments (6)
26 Enthusiasm evident in riots' ugly return (5)
27 It shows stylish despot is lacking time (9)
28 Others having not so much head movement (12)
1/18 Pound missing from redesigned metallic coins - it's a worrying global situation (7,6)
2 Allow private parking to surround university (3,2)
3 Dead battery found by Hospital Department A1 (9)
4 Galling to lose 3-5 to another team (4)
5 Deviant to live in gross accommodation (8)
6 Superman, maybe? No, it's a bird! (5)
7 Paintings entirely composed with skill (8)
8 Caught up in perverse ransom traps (6)
14 Elton covers rock singer is to revive (8)
15 Tackle last part of task with computer know-how (3)
16 Number of eye problems falls (9)
17 Fat little bird eats fifty at breakneck speed (4,4)
18 See 1
20 Once again, organises holiday accommodation (7)
22 Discussed the risk to stop this ultimately returning (5)
24 Wriggle endlessly to get slim (5)
25 Lied about being lazy (4)
1 Grind over diagram before you start making salsa, perhaps (12)