Cryptic Clues

ACROSS
1 Head of excavations gets to truth after magic object found by archaeologists (8)
5 Deceptive delivery from dad traps the opener (6)
9 Chapter on practical skill by country writer (8)
10 Cleared away note then croaked (6)
12 Colour bar new in this city (5)
13 Cad, wildly excited, sent back port (9)
14 Restraint evident in a man's wife (4,3,5)
18 What drivers have little of in response to a prison sentence (8,4)
21 The thing turns up on the river bank (6,3)
23 Informed of a conflict with Elizabeth (5)
24 Left at one with a lady from Belmont (6)
25 Friendliness shown by pals ringing home on Sunday (8)
26 Dying to finish in Gateshead (6)
27 Pagans consume birds after henge's opening (8)


DOWN
1 Lay the blame on misrepresentation of Catholic cause (6)
2 Ted holds vase upside down (6)
3 Fail to get in a panic about a student with occult knowledge (4,5)
4 Command to meet with queen in airport building (7,5)
6 To be born in a car is extraordinary (5)
7 DH Martin all at sea in this position (5,3)
8 They say Mayor Giuliani intended something in an original state (8)
11 Unreliable pedant cheats to keep up (5,3,4)
15 Bell expert produces exaggerated note on an arrangement of tins (9)
16 Tedious discourse involving the French president is out of place (8)
17 Stilted style of the French write-up (8)
19 This artist is unorthodox as ever (6)
20 Against vicar turning up with South American (6)
22 A group of stars working outside a city in Brazil (5)