UPDATE:
The Wisconsin Department of Transportation says the lane is now back open.
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ORIGINAL REPORTING:
The left lane northbound lane of of I-41 at County U near Kaukauna is closed due to a Thursday morning crash.
The Wisconsin Department of Transportation says the incident happened at 5:34 a.m. and estimates it will take over two hours to clear.
Please stay with NBC 26 as we work to learn when lanes will reopen and if anyone was injured.
