By CBSLA Staff

LONG BEACH (CBSLA) – All lanes of the southbound 710 Freeway in Long Beach are blocked due to a crash. Firefighters are trying to free trapped victims.

The crash happened on the 710 at West Willow Street in Long Beach. The southbound lanes are closed for an unknown duration, according to the California Highway Patrol.

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The cause of the crash is still under investigation.

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