SOLUTION TO PRIZE CROSSWORD No 15,786:

ACROSS: 1 Stampede. 5 Adverb. 9 Sack race. 10 Pursue. 12 Mate. 13 False teeth. 15 Pyramid scheme. 19 Double glazing. 23 Unavailing. 25 Shoe. 28 Acidic. 29 Astonish. 30 Try out. 31 Cynosure. DOWN: 1 Sesame. 2 Ascot. 3 Perk. 4 Declaim. 6 Daunt. 7 Easter egg. 8 Brethren. 11 Used. 14 Oral. 15 Plurality. 16 Ill. 17 Coif. 18 Adjutant. 20 Gull. 21 Amnesty. 22 Techie. 24 Adieu. 26 Haiku. 27 Soho.