CHICAGO (CBS) — Police are investigating an arson at a seafood restaurant early Thursday in the Montclare neighborhood on the Northwest Side.

Shortly before 2:45 a.m., someone made entry through the front glass door of the seafood restaurant in the 6500 block of West Fullerton, and started a fire by an office area, according to Chicago Police.

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The blaze was extinguished within 20 minutes, Chicago Fire Department Cmdr. Walter Schroeder said. No injuries were reported.

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No one was in custody early Thursday as the Chicago Police Department’s Bomb and Arson Unit was investigating.

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