LONG BEACH (CBSLA.com) — Several lanes of a busy thoroughfare were closed after the discovery of a body on the roadway.

The California Highway Patrol received a report of a possible body on the southbound lanes of the 605 Freeway about 10:06 p.m. Tuesday.

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Upon arrival, officers located a body they believe was struck by at least one vehicle.

It remains unknown how many vehicles were involved in the incident, authorities said.

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The discovery prompted the closure of four lanes of the thoroughfare, as well as the Carson Street on-ramp.

It was not immediately known how long the closure would last, although authorities suspect it will be for at least a couple of hours.

Footage over the scene showed a large back-up.

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