A controversy brewed on Friday when Sweden’s men’s curling team accused Canada’s Marc Kennedy of breaking rules for how he was throwing the rock down the ice. But what are those rules? And what are the Canadians being accused of?

It’s a big Wednesday schedule at the Cortina Olympic Curling Stadium. Sweden’s Anna Hasselborg (6-1) has already clinched a spot in the semifinals. Switzerland’s Silvana Tirinzoni, likely competing in her final Olympic Winter Games, is tied for second with USA’s Tabitha Peterson at 5-2.

A look at the 10 teams competing in women's curling at the 2026 Winter Olympics as Team Peterson seeks a second curling medal for the U.S. at the Milan Cortina Games.

CORTINA D’AMPEZZO, Italy (AP) — Controversy is swirling in curling at the Winter Olympics. The Canadian men's and women's teams, as well as the British men's team, have been accused of the same infraction: double-touching the curling stone after it is released.

Team USA curler Korey Dropkin defends Canadian player Marc Kennedy amid allegations of an Olympic rule breach on the ice.

The curling competitions are being held in Cortina, where Sweden beat the U.S. to win the gold medal in mixed doubles. The men’s and women’s team events are in full swing, and the allegations of rule breaking has added a dash of controversy.