The Multnomah County Sheriff's Office is investigating the deaths of two people found dead on a boat in the Columbia River on Friday.

Deputies and Portland Fire & Rescue responded to reports of two unresponsive adults on board shortly before 8 p.m.

The boat was located at river mile 105, which is west of the railroad bridge at Hayden Island.

The dead are an adult male and adult female.

Detectives have been assigned to the investigation but as of now no details have been released about the cause or manner of death.

The bodies will be transferred to the medical examiner’s office for autopsy.