Yesterday’s GK crossword

Across: 1 Tumbler, 4 Silks, 7 Lynx, 8 Obsessed, 10 Horsepower, 12 Pavlov, 13 Cheops, 15 Decahedron, 18 Hacienda, 19 Aden, 20 Robot, 21 Yankees.

Down: 1 Tilth, 2 Mangrove, 3

Rob Roy, 4 Suede shoes, 5 Lush, 6 Sidings, 9 Denouement, 11 Porridge, 12 Poacher, 14 Mayday, 16 Nines, 17 Scab.