A 17-year-old Williamstown boy told police he blackmailed his mother into having sex with him on Wednesday afternoon.

State police received a report on the incident shortly after it allegedly occurred in Williamstown at about 2:40 p.m. The minor is considered a victim in the case.

Police refused to give additional comment.

An investigation continues. Anyone with information pertaining to this incident should contact the State Police at Lykens at 717-362-9997.