A Manhattan man is charged with drunken driving under Leandra's Law, after officers stopped him Sunday night in Westbury and found his wife and 6-month-old in the car, police said.

Nassau County police said Mohammad K. Khan, 31, of 535 W. 51st St., also was driving with a suspended license and his Lincoln Town Car was unregistered, uninspected and uninsured. He was charged with aggravated driving while intoxicated under Leandra's Law, as well as with first-degree aggravated unlicensed operation, endangering the welfare of a child, DWI, two counts of third-degree aggravated unlicensed operation and multiple vehicle and traffic law violations. He was arraigned Monday and held on a $5,000 bail. He was represented by Legal Aid.

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Police said Third Precinct officers stopped Khan after he was observed failing to maintain his lane in the Town Car on Old Country Road at 9:20 p.m. An investigation determined Khan was intoxicated, police said. His wife and baby were released to a friend.

Leandra's Law is named for 11-year-old Leandra Rosado, who was killed when a van driven by a friend's mother, Carmen Huertas, crashed on the Henry Hudson Parkway in October 2009. The law, enacted in November 2009, makes it a felony, even on first offense, to drive drunk with anyone under age 16 in the vehicle.