A Ridge man violated Leandra's Law on Tuesday, when he was driving high on drugs in Shirley with his girlfriend's 9-month-old child as a passenger, Suffolk County police said.

Wilfredo Figueroa, 21, was driving a 2001 Ford Focus south on Puritan Drive in Shirley at about 7:40 p.m. with his girlfriend's child and two other passengers, police said.

Figueroa drove through a stop sign at the intersection of Moriches Middle Island Road, narrowly avoiding striking an unmarked patrol vehicle, police said.

Seventh Squad detectives investigated and found that Figueroa, of Valley Forge Court, was under the influence of drugs, according to a news release.

He was arrested on charges of aggravated driving while impaired by drugs with a child passenger 15 years old or younger (Leandra's Law), endangering the welfare of a child, criminal possession of marijuana and criminal possession of a controlled substance.

Figueroa is scheduled to be arraigned Wednesday at First District Court in Central Islip.

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Under Leandra's Law, passed in 2009, drivers who are intoxicated or impaired by drugs with a child 15 or younger in the vehicle can be charged with a felony.

The law was passed after the death of Leandra Rosado, 11, who was killed Oct. 11, 2009, in a DWI accident after the minivan in which she was a passenger crashed on the West Side Highway in Manhattan.