Update: Northbound I-35 back open in downtown OKC

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Update: 8:35 a.m. 7/31/14

Northbound lanes of I-35 just sound of I-40 in downtown Oklahoma City are back open, but traffic is moving slowly.

OKLAHOMA CITY –   A portion of northbound I-35 is closed due to a wreck involving 4 cars.

Officers say the I-35 northbound lanes just south of I-40 northbound are shut down.

That stretch of road is in downtown Oklahoma City at the Dallas Junction

Investigators say one person was hurt.

Police are also advising drivers to avoid this area as traffic is moving slowly.

NewsChannel 4 has a crew on the scene.

This is a developing story.  Please refresh this page often for updates.