CRYPTIC CROSSWORD

Across

1 Take up a position on a building site (6)

4 North-east runner meets up with celebrated types (8)

9 Is about to come back in to me from a long way off (6)

10 In a small firm, Martin managed to be idealistic (8)

12 Nick, say, has no time for the church (5)

13 Understand how to make an arrest (9)

14 Always get a US time zone at the highest point (7)

15 Some are, effectively, on the rocks (4)

19 At one stage, got the best episodes... (4)

21 ... and did one spoil the action, at some stage? (7)

24 A super dad had to become convinced (9)

26 There's a lot to come on Sunday at customs (5)

27 In the past, a priest, at first, had valid way to be blunt (8)

28 For a second time, an artist, in the end, was under pressure (6)

29 May have to line up for a long time, when training horses (8)

30 At short notice, have to come close to cling on (6)

Down

1 Some of the crew were grounded, and left high and dry (8)

2 Some owned up, but were still allowed to enter (8)

3 Top coach had match ten organised in a defined area (9)

5 Use a short rope to fasten things in the main (7)

6 Get leader to engage, right away, seeing enemies to be wiped out (5)

7 Have some material that will make a difference (6)

8 Resolve to visit sound area in the north-east (6)

11 Some of the Thistle players had a role to play (4)

16 Guessed how some mates got tied up (9)

17 It didn't take much time to realise there's a deficit (8)

18 Beforehand, scene was designed to make an appearance (8)

20 Stuffing in place, initially, having to tot things up, in good order (7)

21 Offer, at the end, to stay for a while (4)

22 Odds on to study how things can mushroom (6)

23 Find a lot of rubbish on line, growing threefold (6)

25 Some sections join forces, without Europe, on set, initially (5)