Three people were injured over the weekend in Heber City, Utah after a 50-pound driveshaft was knocked loose and thrown into the crowd at a demolition derby.

“It was kind of chaotic because everyone just like rushed to us to see what happened,” said Liam Duke, who suffered a sore foot from the rod. “I was just in so much shock. I didn't know I was hit until like three seconds later.”

Liam's mother, Sonya Duke, ended up with a broken ankle and a deep cut on her leg after being hit. Another spectator was taken to a local hospital and is recovering from the accident. The derby was stopped for 30 minutes while the injured persons were tended to.

Here are some different angles of the driveshaft being thrown:

Read more at KSL.