Across
1
Greek character's collared by drunk philosopher (7)
5
One's involved in backing country's diet (7)
9
Day daughter omitted to follow Latin primate? (5)
10
Excellent T-shirt on fellow at fair? (3-6)
11
Relish being shut off in Amiens, surprisingly (10)
12
Be annoying, when a good chap abandons dog (4)
14
Gossip needs time to enter name and two temporary initials in account (6-6)
18
Exhausted and is taken aback by '5' in part of crossword that's comprehensive (3-9)
21
Sack author who's ditched two leading characters (4)
22
Fancy gemstone inlaid with an exotic fruit (10)
25
Report: 'Former political organisation is on rocks' (9)
26
Move made by bird that's lost its independence (5)
27
Herb carries, ultimately, the can for VIP's team? (7)
28
Part of group, including FBI agents (7)
Down
1
One who soothes a charger (6)
2
Do to keep one's equivalence (6)
3
Totally unconcerned at home, with a very small amount of money, not able to include one (10)
4
Orchestral passage — dear me, it's over! (5)
5
Espresso's lousy — take it back! (9)
6
What greedy consumers do about Cork County (4,4)
7
Artist from China, imbued with strength of character (8)
8
Informant? I dispute that with raging fire! (8)
13
Gather electronic device is a pest (7,3)
15
Full of gas, it goes up in nasty vat leak (9)
16
One bent on disrupting airline's return route somehow? (8)
17
Top shelf made suitable for high living? (8)
19
Spur found to Cleopatra's right? (6)
20
Most outstanding head moves down, as pests do (6)
23
John gains name on the inside (5)