CRYPTIC CROSSWORD

ACROSS 1 Run into river-boat with its standard (8) 5 Final resting places for one of the 23 across (6) 9 Came back with a response to the 12 across, in short (8) 10 Did one have the vision to dig an underground passage? (6) 12 Find girl hard to get rid of, or she may be the boss, on paper (6) 13 In the past, one left Europe as a refugee (5) 16 Is it very bad to return catch to river? (6) 17 Did old hard class run out of students? (8) 20 Although there’s no real substance, it’s not important (2,6) 21 Rely on second-in-command, in short, to finish things off (6) 23 Horror writer, at times, gets on with other writers (5) 25 Is about to phone; it may ring a bell (6) 28 It’s no good producing some dried fruit (6) 29 Is endless smoke a part of an opening in a volcano? (8) 30 May have registered a complicated design (6) 31 Individual may have a lot to begin with, but it’s private (8) DOWN 1 Loss of face cut short by pretence (4) 2 It might be a bit foolhardy to run a small hotel (4) 3 Bill had to adjust things for some soldiers, with little time (9) 4 Chooses to get a seat for one standing (6) 6 Finding a way to attain total victory, at the end (5) 7 David, etc, in turmoil, but ended up exonerated (10) 8 Give joint second place award to the team (10) 11 To be honest, have first-class deal to end hostilities (5) 14 Moves with enthusiasm ahead of small carriages (10) 15 Came down hard, in good order, when running off in panic (10) 18 Loves to have road dug up, although has too much on (9) 19 Try to last out, showing real courage (5) 22 Blame copper smothered by a type of tear gas, by the end (6) 24 Drive over the final ridge (5) 26 In the north-east, a boy could have caught a diving bird (4) 27 Head off to make perfect trade (4)