Across
1 Conflict between evangelist and medium lacking conviction (8)
5 Hard to understand old memorial with line missing (6)
9 Inspector, very sour, perplexed (8)
10 Business with type of curry lacking one element (6)
11 King not in for defeat (4)
12 Spoilsport being vacuous in silly tweet (3,7)
15 Plead for Oasis to reform? It’s a fond illusion (5,8)
18 Condition people to be taken in by obvious exaggeration (13)
20 Dreadful distorted drone in group of singers without leader (10)
22 Hesitation? Leave for that reason (4)
24 Larval form wise men mostly understood (6)
25 Trick involving snake put back in bag (8)
26 Part of rebel destined to be greatest in age (6)
27 Tramp not having time consumed by boring toil (8)
Down
1 Passionate desire regarding glory (6)
2 Wake, not half upset about loud commotion (9)
3 Sequence of days inadequate for hearing (4)
4 Run hard, followed by mutated aliens in unusual state (5,6)
6 Spread support with notice outside entrance (10)
7 Sound made by duck that’s fake (5)
8 Eligible to be named (8)
13 Film derived from book with unreal end, strangely right (5,6)
14 Vehicle skirting rocky rise, too rough (10)
16 Broadcast after nice connection between systems (9)
17 New hotel in prosperous period that is providing conviviality (8)
19 Teacher vital for stupid person (6)
21 Unyielding soldier breaking free (5)
23 Potato up in cupboard upstairs (4)