Across
1
Hope network's designed to be aware of best practice (4,3,5)
10
No time for getting tied up in pastime (7)
11
Some bigwig ran a dancehall in Spanish city (7)
12
Rose, shunning society, travelled by canoe (5)
13
'Differently honestly'? (2,3,3)
15
Copy published after T S Eliot initially conceals act of plagiarism (10)
16
Farmyard youngster that's just over a foot (4)
18
Characters in expensive picture, Ben-Hur perhaps (4)
20
Girl – not a medallist, we're told – to make a sudden rush (5,5)
22
Popular actors take these weapons (8)
24
Schoolchild's twisted effrontery, rebellious (5)
26
After disruption, setter's most brusque (7)
27
Cassock's slightly altered for cavalryman (7)
28
Entered, dimly tingling with purpose (12)
Down
2
African nation, one with capital in Abuja? (7)
3
The Observer embracing Right, that is most odd (8)
4
Uttered casual greeting, being drunk (4)
5
Newspaper, Independent, covers no-good rubbish boxing movie (6,4)
6
Primarily: poet (... listed alongside Ted Hughes?) (5)
7
Perhaps pens epistle, angry initially in Welsh city (7)
8
Perhaps Rev. Spooner's butterflies, skippers, etc? (3,2,3,5)
9
A key held aloft, cryptic Arthurian figure (4,2,3,4)
14
Time to study Scott, perhaps – lecturer's wanting to hold back (5,5)
17
Slightly smelly Greek characters felt shame finally in unexpected ways (3-5)
19
Everyman blushes, admitting sanitation ultimately neglected (7)
21
Artist putting blame on shade of brown, that's not unknown (7)
23
Chicken serving one rejected in French city (5)
25
Culinary ingredient regularly extracted from saccharin (4)