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(The Oregonian/OregonLive)

Portland detectives began a death investigation Sunday after hikers found bones near a trail in Southwest Portland, police said.

Officers responded around 2:45 p.m. near the 8400 block of Southwest Macadam Avenue to reports of the discovery. Hikers took officers to the site along a trail in the River View Natural Area, police said in a brief news release.

Detectives said the bones appear to be human, but they have not determined the age, sex or if there was any criminal activity, according to the news release. The remains will be sent to the Oregon State Police Crime Lab for examination. It's unclear what types of bones or how many were found.

Police said no other information will be available Sunday evening. The hiking trails nearby will be closed while detectives process the scene Sunday evening.

This post will be updated as news develops.

— Tony Hernandez

thernandez@oregonian.com

503-294-5928

@tonyhreports