"There were 20 passenger cars and six jackknifed semis involved in separate crashes that lead to the closing of I-35," The State Patrol said.
No serious injuries were reported, according to the State Patrol. I-35 W Northbound was reportedly reopened at about 12:35 p.m.
The investigation is ongoing for all crashes.
UPDATE 12:51 p.m.: According to the Minnesota State Patrol, six jackknifed semi trucks and 20 other vehicles were involved in the crash on I-35. The road was closed because they were treating it, but is back open now.
OWATONNA, Minn. (KTTC) -- Multiple vehicles are involved in a chain reaction crash on I-35.
The accident is in the northbound lanes of I-35 near Owatonna and involves several semi trucks, cars and SUVs.