Across
1
Sellers wanting source of valuable drug back (7)
5
Very small amount of insect in tin (7)
9
Upset move to seize assassin's last poison (5)
10
Trousers that come sizes 8, 12 and 16? (4,5)
11
Part of journey close to a railway is famous (9)
12
Encourage German to enter naked (5)
13
Industrial facilities not given time to make arrangements (5)
15
Setter's new and unusual RIP sign is thought-provoking (9)
18
Deep back in flashy plant (9)
19
Agree cooking is keen (5)
21
Obscure book gets the usual spiel on the cover (5)
23
Pet dragon repaired by one supposed to have child's interests at heart (9)
25
Managed to penetrate English poet's creative language (9)
26
Mouth-like opening found in enormous tomato (5)
27
Is island surrounded by fish here in North Africa? (7)
28
Research facility receiving money for family for this young thing (7)
Down
1
Cover of record featuring foreign novel (7)
2
Run down to shelter with one place to make a fire (9)
3
Gold returned to fellow Italian (5)
4
A hip seems fractured with stress (9)
5
Examine boss on the end of slavery (5)
6
Popular enthusiast playing piece that's childish (9)
7
Creator of Adam and Eve eating original fruit (5)
8
Savings made by doctor sent to meet leaders of emergency governance group (4,3)
14
After dancing, US bride extremely nervous of facial hair (9)
16
Item of tableware found when old lab was demolished (5,4)
17
Nigel excited by new reading material heading off for a seat by the fire (9)
18
Vehicle turning up to meet plane containing Canada's foremost citizen (7)
20
King imprisoned in keep gets to prepare for a new job (7)
22
Let loose by heads of unusually nice prison in Norway (5)
23
Michigan jailbird in possession of drug (5)
24
A second South American found in Indian state (5)