Across
1
Australia tried enthusiastically removing England's openers – harsh! (7)
5
Prison warden blowing his top – nothing new in section of wing (7)
9
Husband's trapped in bar, cut off (5)
10
Tiger seen wandering – but certainly not here (9)
11
Noble women tot up letters (10)
12
Infection for the oculist? Yes! (4)
14
Men retire and set out for Roman road (6,6)
18
Mission one: punctual BBC debate (8,4)
21
A river? Certainly not! But it is! (4)
22
Not that tiny now (4,6)
25
Popular officer, mainly (2,7)
26
Lowdown on the team's spirits (5)
27
It affects sheep, as price is variable (7)
28
Parts of a fugue – one finally started by Stravinsky and completed by Tippett (7)
Down
1
Area of France that's almost too brill! (6)
2
Law suit finally disposed of – for a figure (6)
3
German prince regularly rattled the voters (10)
4
Stops blowing top and relaxes (5)
5
Grammatical parity? Yes, of course! (9)
6
Alternate alternately, before Easter (4)
7
Right note, wrong information for physicist (8)
8
Foremost crossword compiler, almost sweet (8)
13
T. Greig's men ordered spice (4,6)
15
Press hack in loco? (4,5)
16
Pale blue Toyota model scratching parking sign (8)
17
Adolescent showing support with flipping king's daughter (8)
19
A small-holder in the fruit trade (6)
20
Sign, for example, mounted on car (6)
23
Fish shoulders, oddly! (5)