SOLUTION TO PRIZE CROSSWORD No 15,635:

ACROSS: 1 Trigger-happy. 8 Ropes in. 9 Belarus. 11 Sonorously. 12 Mayo. 14 Time bomb. 16 Teasel. 17 Yob. 19 Regent. 21 Artesian. 24 Iran. 25 Physically. 27 Roister. 28 Happier. 29 Alphabetical. DOWN: 1 Toponym. 2 Inscribing. 3 Gin rummy. 4 Rabble. 5 Ally. 6 Perhaps. 7 Irish terrier. 10 Scotland Yard. 13 Telescopic. 15 Boa. 18 Brass hat. 20 Glacial. 22 Ill-will. 23 Cherub. 26 Itch.