COLD SPRING HARBOR - Police say they arrested another bus driver for impaired driving today.

James Sommer was driving a bus full of Plainedge Middle School seventh-graders to Cold Spring Harbor Laboratory when he slammed into a tree limb. The crash happened at around 10 a.m. on West Main Street in Cold Spring Harbor.

Police say a 12-year-old girl suffered minor injuries in the crash.

Sommers originally faced felony DWI charges, but police say he is now being charged with driving while ability impaired, a misdemeanor.

The 47-year-old Massapequa resident is expected to be arraigned tomorrow.