Yesterday’s GK crossword

Across: 1 Curling, 4 Sum up, 7 Arch, 8 Papillon, 10 Prizefight, 12 Vienna, 13 Kitten, 15 Fauntleroy, 18 Napoleon, 19 Balm, 20 Macaw, 21 Yeltsin.

Down: 1 Cramp, 2 Receiver, 3 Gravid, 4 Smithfield, 5 Mile, 6 Penguin, 9 Jean Harlow, 11 Star Wars, 12 Vietnam, 14 Snoopy, 16 Yemen, 17 OPEC.