UPDATED Tuesday, Feb. 27: A 20-year-old Happy Valley man has been arrested in Monday's fatal stabbing, according to the Clackamas County Sheriff's Office.

Robert Matthew Fountain (CCSO)

Robert Matthew Fountain was booked into the county jail on suspicion of murder, records show. He's being held without bail.

Deputies said they found Michael L. Black, 40, dead at the scene and that he had multiple stab wounds.

Deputies said they detained Fountain at the scene and that he was taken to a hospital for treatment of minor injuries before being taken to jail.

Authorities initially responded to an address on Southeast 162nd Avenue near Sunnyside Road late Monday.

The sheriff's office urges anyone who has information about Fountain or the incident to contact the agency by phone at 503-723-4949 or by using an online form. Tipsters should reference case No. 18-5594.

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At least one person is dead in a stabbing in Happy Valley on Monday, according to the Clackamas County Sheriff's Office.

The agency announced around 10 p.m. that the stabbing occurred in the 13000 block of Southeast 162nd Avenue and detectives were heading there. KGW-TV reports a person of interest is in custody and that the victim is a 40-year-old man.

The Sheriff's Office said there is no outstanding danger to the public.

-- Everton Bailey Jr.

ebailey@oregonian.com

503-221-8343; @EvertonBailey

Jim Ryan of The Oregonian/OregonLive staff contributed to this report