SOLUTION TO PRIZE CROSSWORD No 15,604:

ACROSS: 1 Jailers. 5 Bottle. 9 Cast off. 10 Approve. 11 Doc. 12 Crackerjack. 13 World. 14 Boy wonder. 16 Imperious. 17 Indus. 19 Californian. 22 Van. 23 Speed up. 24 Arrange. 26 Steely. 27 Obelisk. DOWN: 1 Jackdaw. 2 Insect repellent. 3 Ego. 4 Sofia. 5 Black eyes. 6 Taper. 7 Leonardo da Vinci. 8 Beaker. 12 Cider. 14 Biography. 15 Onion. 16 In case. 18 Sun deck. 20 Fudge. 21 Imago. 25 Roe.