McKees Rocks police have arrested three men following a drug raid at 12D Valley Street.Police said Eric Howard, Robert Simpson and Jerome Williams are in custody at the Allegheny County Jail, waiting to be arraigned.Cocaine, fentanyl, heroin, marijuana, packaging material, manufacturing contraband, edible narcotics and several stolen firearms were recovered from the suspects' residence, according to police.The raid occurred after a search warrant was issued in a narcotics investigation. The Pennsylvania Attorney General's Office, Allegheny County Housing Authority Police and Stowe Township Police Department assisted with the arrests.