During the qualification race, a dog wandered onto the course and followed Croatia's Tena Hadzic and Argentina's Agustina Groetzner across the finish line.

American freeskier Hunter Hess got to the end of his successful run in Olympic halfpipe qualifying, then leaned into the camera.

Team USA women's hockey faced a 1-0 deficit to Canada in the gold medal match, before captain Hilary Knight tied the game on a goal with under two minutes left.

Megan Keller scored a game-winner for the ages, and Liu became the first American figure skater to medal in women's singles in 20 years.