Police converged on St. Charles Medical Center - Bend Friday afternoon looking for a possible gunman; but officers didn't find any evidence of that.  Police were called when someone heard a loud pop and thought it might be gunfire.  Lisa Goodman with St Charles says nothing was found.  “At this time doesn't appear anyone with a gun in the hospital.  The hospital did call a “Code Silver” that there was a weapon in the hospital; and that triggers protocol of procedures act on in order to insure safety of our caregivers and patients.  Police converged on the hospital just after 4:30 p.m., and began searching floors and elevators; but haven't found anything yet. 

No evacuations have been ordered.

No weapon was seen according to police reports, but there was a loud "pop" which prompted the call to police.