UPDATED Thursday, July 6: A 23-year-old man hit and killed by a truck Monday after running into traffic was identified Thursday as Patrick Ahearn of Southeast Portland, Portland police said.

An investigation continues and, once complete, will be forwarded to the Multnomah County District Attorney's Office for review.

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A 23-year-old man died soon after running into traffic and being hit by a truck Monday night.

Portland police arrested the driver of the truck, Eric Sebastian Oman, for allegedly driving under the influence of intoxicants. Oman, 55, was released from jail without any bail amount.

The accident happened around 10:20 p.m. near Southeast 122nd Avenue and Woodward Place.

Eric Oman was booked into jail early July 4 after hitting and killing a 23-year-old pedestrian with his truck. Oman was charged with driving under the influence of intoxicants.

Friends of the victim told investigators the young man had been acting in a strange and paranoid way right before the crash. Police said such behavior is consistent with a mental health crisis or psychosis. According to the man's friends, that behavior was not normal for him, police said.

The friends tried to stop the man from running into traffic, but he broke free.

The death was the third fatality following traffic accidents July 3. One person was killed after hitting a tree, and another after hitting a parked empty car.

-- Fedor Zarkhin

503-294-7674; @fedorzarkhin