Officials with World Curling on Saturday clarified throw rules after tempers flared during a men’s curling round-robin contest between Sweden and Canada on Friday.

In curling, if a team has no stones in the house after the final stone of the end is thrown, it is called a blank. Typically, the hammer goes to whichever team loses an end. In mixed doubles curling, if a team enters with the hammer and then has a blank with no stones in the house, the hammer is forced to the other team.

Cheating allegations rock Canada vs Sweden curling match as World Curling monitors delivery infractions at the 2026 Olympics.

A heated curling controversy is bubbling up after Canada's teams were accused of "double-touching" violations. Here's an explanation of the rule. (AP Photo)

Here's everything you need to know about curling ahead of the 2026 Milan Cortina Olympics, including the rules, regulations and what to watch for.

The opening ceremony of the 2026 Winter Olympics doesn’t take place until Friday at Milan’s San Siro Stadium, but some of the world’s top athletes are already competing in Italy. That includes in the sport of curling,

Curling can be confusing to watch if you aren't familiar with the sport. Here's what to know ahead of Team USA's mixed doubles gold medal match.