*Singer Jason Derulo has canceled his upcoming U.S. tour due to a neck fracture, according to OK! Magazine.*

The 22-year-old singer injured his neck during rehearsals for what was supposed to be a world-wide tour.

He was practicing an acrobatic move when he landed right on his head and fractured a vertebra.

Derulo tweeted about the incident saying,

Jason Tweeted about the incident, with a photo from the hospital, “I fractured my neck doing tumbling & acrobatics 4 tour! Always tryin 2 push boundaries 4 YOU! Like my new chain?”

Read more at OK! Magazine