SPRINGFIELD, Mass. — A Massachusetts man has pleaded guilty to involuntary manslaughter for providing the heroin that led to a 16-year-old girl’s fatal overdose.

Seth Lombard-Hawthorne, of Westfield, entered the plea Monday. Prosecutors say he gave heroin to high school junior Lillian Anderson, who was found dead in February 2016. The pair had worked together at a fast food restaurant.

Lombard-Hawthorne also pleaded guilty to drug distribution charges.

He is scheduled to be sentenced Feb. 22.

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