A West Babylon man was arrested early Tuesday on a state curfew law violation, Suffolk County police said.

Robert Ernst, 54, was walking near Little East Neck Road just south of Montauk in Babylon about 4:45 a.m., a violation of the state curfew law established last week in the wake of superstorm Sandy.

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The law prohibits people from being out "from dusk until dawn" south of Montauk Highway, in Babylon and Lindenhurst villages, police said. The violation is a misdemeanor.

Ernst was released on bail and will be arraigned at a later date.