SOLUTION TO PRIZE CROSSWORD No 15,703:

ACROSS: 1 Prussia. 5 Kibosh. 9 Obscene. 10 Trapeze. 11 Ail. 12 Anachronism. 13 Cacti. 14 Rendition. 16 Announcer. 17 Night. 19 Backbencher. 22 Ago. 23 Closure. 24 Tsarist. 26 Isobar. 27 Hurry up. DOWN: 1 Prosaic. 2 Unselfconscious. 3 See. 4 Arena. 5 Kitchener. 6 Beano. 7 Specific gravity. 8 Yes men. 12 Adieu. 14 Raconteur. 15 Inner. 16 Abbacy. 18 Two-step. 20 Blurb. 21 Hatch. 25 Air.