Yesterday’s GK crossword

Across: 6 Rennin, 7 Patina, 10 Chaucer, 11 Spain, 12 Foil, 13 Abbey, 16 Flint, 17 Four, 20 Yeats, 21 Insulin, 22 Helios, 23 Sampan.

Down: 1 Bruce Forsyth, 2 Ontario, 3 Pitch, 4 Banshee, 5 Titan, 8

Anna Karenina, 9 Brabantio, 14 Glasgow, 15 Hot Lips, 18 Bails, 19 Aswan.