YORKTOWN, N.Y. – A Yorktown smoke shop owner allegedly sold tobacco products to a minor on Dec. 13.

Then again on June 19.

Then again on June 20.

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Then again on July 9.

Arrested again last week, Xuefang “Rock” Liu, owner of Rock’s Smoke Shop on Commerce Street, has now racked up four charges of endangering the welfare of a child in seven months.

The first misdemeanor charge was pleaded down to disorderly conduct, a violation.

However, following up on tips from the community, the Yorktown Police Department conducted an undercover operation in June, when Liu allegedly sold tobacco products to a minor on two consecutive days.

The 42-year-old Queens man was arrested again on Friday, July 12, while awaiting arraignment on those charges.

Police Chief Robert Noble said the Westchester County Health Department, which issues permits for these types of shops, has been notified of Liu’s arrests.

According to the Westchester District Attorney’s office, Liu is scheduled to be arraigned on his June charges on Thursday (July 18) in Yorktown Justice Court.