Sweden's curlers led by Margaretha Sigfridsson ended Switzerland's unbeaten run with a 9-8 victory in the Ice Cube Arena in Sochi Thursday. The defending champions now have a 3-1 win record after four games in the women's Olympic curling tournament. Canada now lead with four wins. Sweden's men, led by Niklas Edin, beat Norway 5-4 in their round-robin match. The men are now 4-1, the same as rivals GB.