Four men were taken into custody by the police on Thursday during an operation in Stony Hill, St Andrew.The police say a homemade firearm was recovered.According to the police, about 1:00 p.m., a team carried out a snap raid in the vicinity of Brooks Level Road in Stony Hill, during which the firearm was seized and the men were subsequently detained.Their identities have not yet been released.The police say the men are being questioned as investigators seek to determine ownership of the weapon and whether any charges will be laid.