A 33-year-old man from Keighley was arrested on Wednesday on suspicion of possession of crack cocaine.
The arrest was part of Operation Crack Down as nine properties were searched across Keighley and Bradford, including two in Parkwood and Beechcliffe.
Two Keighley women aged 18 and 37 were also arrested on suspicion of making off without payment.
All three have been charged and bailed.
And during a separate operation, officers from Keighley arrested two men aged 23 and 30 on suspicion of possession with intent to supply Class A drugs.
All those arrested in Keighley were from the town centre area.
Operation Crack Down is a nationwide focus on Class A drug dealers and 'crackhouses'. Bradford Area's drug co-ordinator, Detective Sergeant Colin Stansbie, said: "Operation Crack Down is a national version of what we set up two and a half years ago in Bradford.
"For us, this is about continuing to do what we do daily. We are arresting those suspected of dealing Class A drugs and responding to the demands of the public."
Operation Crack Down, which is set to run for three months nationally, has been in operation in the area since July 2002.
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