Alice K. Schaefer killed when her car leaves roadway and strikes tree.

An 85-year-old Amherst woman who may have suffered a medical emergency died Sunday afternoon when her car veered off the road and hit a tree, Amherst police reported.

Alice K. Schaefer was driving her 2007 Toyota sedan in the 200 block of Sunrise Boulevard around 4 p.m. when the accident occurred, a police Capt. said. Schaefer was taken to Millard Fillmore Suburban Hospital, Amherst, where she was pronounced dead.