Caleb Moore passed away this morning.

Moore, 25, was badly injured in a crash during the X Games.  An attempted back flip failed and Moore was struck by the snowmobile as they landed.

He got up and walked away at the time, but was later admitted to the hospital suffering from a concussion.  After that, further complications developed including bleeding in his brain and heart area.  He'd been in critical condition the last few days.

Moore is the first fatality in the X Games 18 year history.

A website has been created to help the Moore family with Calebs medical expenses.

RIP Caleb.