An 11-year-old girl was among the victims killed in Sunday's bus crash down an icy embankment near Pendleton.
The Oregon State Medical Examiner's Office released the names of four victims Wednesday.
Oun Hong Jung, 67, and his wife, Joong Wha Kim, 63, were among the nine people killed when the bus slid off Interstate 84 and down a 200-foot embankment.
The couple is from Korea, but had been staying with relatives in Bothell, WA.
Yongho Lee, 75, of Lynnwood, WA and Youmin Kim, 11, of South Korea were also identified as victims Wednesday. The girl was a visitor staying with a family in British Columbia, according to police.
Dale Osborn, 57, of Spanaway, WA, was identified as another victim Tuesday.
The medical examiner's office continues making progress toward positively identifying all of the people killed in the crash.
Authorities are working closely with the Korean Consulate and relatives of possible victims during the process of identification and notifying next of kin.
A team of inspectors from the National Transportation Safety Board is still in the area conducting an investigation.
This crash equals the second-deadliest in Oregon since 1946, according to the Oregon Department of Transportation Fatality Analysis Reporting Section.
It's the deadliest crash in the state since 1971.
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