(Tri-State) -- Two people were killed in separate collisions this weekend, but both had been walking.

The Butler County Sheriff's Office says early Saturday morning, a woman was found lying on the roadway, in the 5500 block of Cincinnati Dayton Road, in Liberty Township.  She was pronounced dead on the scene.  The Sheriff's Office has not released her name, pending notification of relatives.  They are investigating it as a traffic crash, but have not said who hit her.

Around 2:30, Saturday morning, Newport Police and Fire responded to a crash in the northbound lanes of I-471, near the Memorial Parkway exit.  A man had been walking along the highway, and was hit by a car.  His name has not been released, and investigators have not said if the driver will be charged.  They did indicate that driver was not drunk or otherwise impaired.