Police made an arrest after swooping on a residential street in Heckmondwike as part of a firearms investigation.
Officers moved in on an address on Hill Top Estate, off High Street on the edge of the town centre, at about 5.45pm yesterday.
A spokesman for West Yorkshire Police said the operation was part of an ongoing inquiry into a “firearms offence”.
One man was arrested on suspicion of possession of a firearm. He has since been released pending further inquiries.