HILLSBOROUGH, N.H. (AP) -- Police say a collision between two vehicles in Hillsborough, N.H., has killed four people.

The accident happened about 5 p.m. Sunday on Route 202. Police said one vehicle crossed the center line and hit the other head-on.

Three people died at the scene and the fourth died at a hospital.

The victims have been identified as 69-year-old Richard Monahon and his wife, 71-year-old Mary Monahon of Peterborough; 68-year-old Donald Robb, and his wife, 62-year-old Brenda Mary Robb, of Concord.