A Bellmore man was arrested Tuesday afternoon near the Bellmore train station and charged with possession and sale of a controlled substance, Nassau County police said.

When Anthony Trentacosta, 23, was arrested at 4:10 p.m., he had about 400 glassine bags of a substance believed to be heroin in his possession, police said.

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A number of civilian complaints of drug sales in the area led to the investigation that resulted in Trentacosta’s arrest, narcotics/vice detectives said.

Trentacosta was arraigned Wednesday in First District Court Hempstead.