Police are investigating after human remains were found by litter pickers alongside a highway in Onalaska, Wisconsin.
The Onalaska Police Department says the remains were found near an embankment along Highway 53 near Sand Lake Road in La Crosse County.
Two people who were cleaning up trash when they found the remains called the police, with officers determining that the remains appeared to be human.
Multiple agencies were brought in to assist with the discovery due to the "complexity" and specialized equipment required to investigate the scene.
The police say that identification of the remains could take several weeks.