Picture, clockwise, from tip right are James Hurley, Joy Sprague, Mikayla Miller, Nicholas Shambo, Amber Roush, and Adam Max.

A rash of heroin-related overdoses in northern Chautauqua County led investigators to a Hanover residence Wednesday, where fentanyl was seized and six people arrested, all in their early 20s.

At 1:50 p.m., members of the Southern Tier Regional Drug Task Force and Chautauqua County Sheriff’s Office SWAT team executed a search warrant at 12211 Alleghany Road.

Inside, police reportedly found more than 21 grams of uncut fentanyl, cocaine, concentrated cannabis, Suboxone, scales, a large amount of cash, a rifle and packaging materials.

The residents of the home — 22-year-old Adam N. Mox and 23-year-old James M. Hurley, both of Silver Creek — were charged with third- and fourth-degree criminal possession of a controlled substance.

Also inside, Nicholas J. Shambo, 21; Amber R. Roush, 21; and Joy M. Sprague, 22, all of Forestville, were charged with third- and fourth-degree criminal possession of a controlled substance. Mikayla A. Miller, 22, of Silver Creek, was also handed similar charges.

All six individuals were arraigned in Hanover Court and committed to the Chautauqua County Jail in lieu of $75,000 cash or $150,000 property bond, except Hurley, who was jailed in lieu of $100,000 cash or $200,000 property bond.

Police said the investigation is a portion of an investigation into several overdoses, two of which have been fatal, that have occurred in northern Chautauqua County. Police said Monday that authorities are waiting on laboratory analysis on items recovered at the scenes of these incidents to determine the contents of the mixtures involved.