Big-rig overturns on northbound I-680 in Sunol

Northbound Interstate 680 in the Sunol area is down to one lane Wednesday morning due to an overturned big-rig.

The big-rig overturned near Andrade Road, the California Highway Patrol said.

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It's unclear when the other lanes will reopen.

This is a developing story. Details may change as more information becomes available. Stay tuned for updates.

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