Across
1 Bad blood shown by heartless opponent about it (6)
4 Smart to disconnect after energy conserved by family (5-3)
10 Arms race participant? (9)
11 Agricultural machine the Parisian kept in farm building, briefly (5)
12 Graceful Ragdoll is so meek inside (7)
13 Special phone link may cause heated row (7)
14 I consume poison – terrible illness results (14)
18 Complaint in sheikdom, unease spreading (10,4)
20 Dismiss teller (7)
22 Robot in Dr No novel brought in to help (7)
24 I must sit in cleaner seat (5)
25 Smart having line deleted in travel document? The other way round (4,5)
26 At Naples? That may be nice (8)
27 Popular act? Certainly (6)
Down
1 For example, loses one’s composure after last of strong drinks (3,5)
2 Clergyman, old fellow, to tell government member (8,2,5)
3 Organised tour taking in centre of early market town (5)
5 Feature of spectacular Christmas tree (5)
6 Bird in brass - a lot manufactured (9)
7 Cornelius is cool about opposing philosophies leading to conflict (9,6)
8 Aim at goal (6)
9 Telephone system popular company installed in Trinity, for example (8)
15 Joker, male, is seen on Baghdad river (9)
16 Canine with us, barking – a pest (8)
17 Leader to go ashore in cape (8)
19 I, about to step over frozen summit (6)
21 Heading off, yellow and black bird (5)
23 Dove flying over northern county (5)