MATAMORAS, Pa. (AP) — Police say an 82-year-old man fatally shot his son in the head during a fight before committing suicide at their Pennsylvania home.

Police tell say Joseph Matrongolo fired multiple shots at his son during an argument at around 8 p.m. Sunday at their Westfall Township home.

One of the shots struck Matrongolo’s son, who is also named Joseph.

Police say the elder Matrongolo then turned the gun on himself.

Westfall Township is located in the Pocono Mountains on Pennsylvania’s border with New York and New Jersey.

The investigation is continuing.