Coffee Break Cryptic

29 December

Across

1 Inferior supporter precedes superior (6,4)
7 Erupt suddenly on holiday abroad? (5,3)
8 Small county in which flowers are grown (4)
9 Egypt's river would be nothing without Egypt's capital (4)
10 Thai leader held by Japanese leader yields weapon (7)
12 Toleration for animal breaking cane (11)
14 Conductor seen in the morning behind a tree (7)
16 Attempt - to use a dagger (4)
19 Manchester footballers not united? (4)
20 Hen that's red with black spots? (8)
21 Simpleton handed rude letters (10)

Down

1 Sound warning for a temptress? (5)
2 Toady - one who moves slowly (7)
3 Gas in mine one detected (4)
4 Look at these shopkeepers (8)
5 Boast about wooden shoe (5)
6 Put forward expert holding dud parts (6)
11 Thorough girl and boy turning up (8)
12 Sort of diet that is offensive (6)
13 Famous aristocrat entertains part- time soldiers (7)
15 A rodent, being shy, rolled up (5)
17 Governors, we hear, suffering from tedium (5)
18 River forming part of a modern European border (4)