By CBSLA Staff

LOS ANGELES (CBSLA) – A vehicle crash on the northbound Harbor (110) Freeway at Exposition Boulevard has temporarily shut down all northbound lanes at the site for at least one hour, the California Highway Patrol reports.

It happened around 8 p.m. Sunday. Traffic is backed up for miles.

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A SigAlert was issued by the CHP.

By 9:46 p.m., the CHP tweeted the SigAlert was canceled and all lanes of the northbound 110 were reopened.

Reports of injuries have not yet been released. The cause of the crash is still under investigation.

(This is a developing story. Check back for updates.)

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(© Copyright 2020 CBS Broadcasting Inc. All Rights Reserved. City News Service contributed to this report.)