(Kitty Hawk, N.C.) (AP) — Police say a Virginia school teacher and her husband were killed when the driver of a pickup truck fell asleep at the wheel and struck a group of six people on the North Carolina coast.

Kitty Hawk police say 40-year-old Holly Nicolette and her husband, Alan, were struck as they walked on N.C. Highway 12 on Monday afternoon. Nicolette taught in the Hanover County Public Schools. Police posted on their Facebook page that six people were walking north on the southbound side of N.C. 12 when the driver of the northbound pickup truck fell asleep at the wheel, crossed the center line and hit the adults and their son. They were walking with another child and the grandparents when the three were hit from behind.

Authorities say a child was treated and released at a local hospital.

Police say charges against the unidentified driver are pending.