Across
9
Trump's change of policy dealing with mug (5-4)
10
Enhance diet thus, originally in difficulty (3,2)
11
Be off with Conservative deal — catastrophe! (7)
12
Trouble in huge drunk guzzling last of gin (7)
13
Prayer required to join Republican Party (4)
14
System broken by main Irish party, open your eyes! (5,5)
16
Feed hare the wrong way, true to form (7)
17
Vacuum-packed whiskey? (6-1)
19
On a trip in the air, as a jet-setter? (4-6)
22
Throw something in a brown envelope? (4)
24
Abominable feeling rejected, son taking time out (7)
25
Purplish-pink haze initially obstructing sun, say? (7)
27
Rock hid alpine plants (9)
Down
1
Asian characters with bureaucrat seen struggling to comprehend European character (8,7)
2
Jazz band particularly inadequate — unconvincing style? (4-4)
4
Grand very good price? Steep! (8)
5
In shelter, stick vegetable (6)
6
Ready: set up to tackle Wimbledon's top seed (6,3)
7
Midnight mass's ending in dark and damp European city (6)
8
Nervous: my old age pitiable — it was all so blissful once (5,5,5)
15
Kansas gallery after painting (9,5)
17
Tobacconist inhaling good quantity of muck (8)
18
Ludicrous, ultimately embarrassing and a slight con: UK — seen as this? (8,5)
20
One's played God, unwittingly inspiring transgression and revolution, first of all (6)
21
Beaten side latterly, with stuffing knocked out, surrenders (6)
23
Chairman hugging companion, butch (5)