SOLUTION TO PRIZE CROSSWORD No 15,790:

ACROSS: 6 Recommendation. 9 Tsetse. 10 Fluoride. 11 Stalwart. 13 Astral. 15 Extort. 17 Atomic. 19 Techno. 20 Reassess. 22 Stuntman. 24 Oxford. 26 Sensationalise. DOWN: 1 Grasp the nettle. 2 Scot. 3 Amoeba. 4 Adjutant. 5 Star. 7 Effete. 8 Ordnance survey. 12 Latch. 14 Times. 16 Roommate. 18 Pronto. 21 Amoral. 23 Nosh. 25 Flip.