Found an article about it.
..."I heard a crash about two or three bikes ahead of me. At that point, you're just kind of guessing ... You can't see anything," a disappointed Yorke said.
"I went to the right, and the guy's bike kept travelling to the right. There was no place to go. It was either hit the barricade or the bike. I hit the back edge of the tire, my front wheel punctured and I went down right away."...
..."Sport is cruel. It'll break your heart, but that's why we do it. There's nothing better than it, too. You take a gamble every time we race," Yorke said. "I've only crashed twice in my professional career. It just sucks it happened here."
He lost a few minutes due to the crash, Yorke said. His bike's handlebars were bent in, his brakes were shot and changing the front tire cost him valuable time.
"I rode as hard as I could," he said. "After a crash, you lose so much energy. You're never going to win. At that point you know your race is over, you just do your best."
But quitting wasn't an option, he said.
"I was just telling myself, 'Finish. You worked your whole life to get here to have the race of your life and you don't quit.' I just put my head down and rode the broken bike as hard as I could," he said.
"I was just thinking of Canada, all my family and friends."...