A serious crash involving multiple semi trucks and passenger vehicles has been reported on I-5 in Linn County, Oregon, on Wednesday morning.

Oregon State Police (OSP) say that I-5 southbound between milepost 228 and 211 is completely blocked due to a multiple-vehicle crash that occurred shortly before 8 a.m. on Wednesday amid heavy fog.

Local outlet KOIN reports that at least seven semi trucks were involved in the crash and that at least one person was killed.

Transportation officials are rerouting traffic to Highway 99E. This is expected to be an extended road closure.

This is a developing story.

For an update on this crash, please click here.

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