SOLUTION TO CROSSWORD No 15,915:

ACROSS:

6 Relative clause. 9 Usurer. 10 Rheostat. 11 Snapshot. 13 U-boats. 15 Run off. 17 Fester. 19 Bolero. 20 Infantry. 22 Sweet pea. 24 Turbid. 26 Grasp the nettle.

DOWN:

1 Prisoners of war. 2 Slur. 3 Starch. 4 Schedule. 5 Dais. 7 Verity. 8 Scatterbrained. 12 Pence. 14 Often. 16 Footpath. 18 Mirage. 21 Fitter. 23 Easy. 25 Rite.