OAKLAND, Calif. (KRON) — Fire crews are responding to a fire near Interstate 880 in Oakland, according to a tweet from the Oakland Fire Department.

OFD says the fire is inside of the overpass infrastructure located at East 12th Street and 24rd Avenue, close to I-880. Firefighters have asked the California Highway Patrol to close off the 23rd Avenue offramp while crews extinguish the blaze.

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As of 4:30 p.m. OFD says the fire was contained, but the offramp will remain closed temporarily for the safety of fire crews. The fire originated inside of a 10 x 10 foot crawl space inside of the freeway’s concrete infrastructure, according to OFD.

No injuries were reported in this fire. At this time the cause of the blaze is unknown.

This is a developing story. Please stick with KRON for updates.