Former President Bush breaks bone in his neck

Bush has form of Parkinson's disease

Former President George H.W. Bush is doing OK after breaking a bone in his neck.

The 91-year-old fell at his summer home in Kennebunkport, Maine Wednesday.

Bush is being treated at Portland's Maine Medical Center.

Bush has a form of Parkinson's disease that has forced him to use a motorized scooter or wheelchair for mobility.