Police dog Duke and his handler have assisted the Sheffield Central Local Policing Team (LPT) with a drug operation in the city centre yesterday afternoon.
A total of eight bags of cannabis were also seized as part of the operation
A spokesman for Sheffield Central LPT said: "A number of Sheffield City pubs have been subject of a passive drug dog operation.
"Four people have been dealt with for possession of controlled drugs.
"Other class B drugs have been located not attributed to anyone. A vehicle has been seized and a bag of suspected stolen items was recovered."
Police said they could not confirm which pubs had been targeted during the operation.