A tanker truck overturned on the northbound 5 Freeway in Sylmar Thursday morning, prompting the closure of a stretch of the freeway north of Los Angeles.
The crash happened at about 2:15 a.m. near the Roxford Street exit, according to the California Highway Patrol.
Details of what led to the crash were not immediately available.
All northbound lanes of the freeway were blocked just past Roxford Street and traffic was being taken off the freeway at Roxford Street, the CHP said. Some lanes reopened early Thursday.
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It was unclear if anyone was injured in the crash.