Man arrested as police carry out drug raids in two areas of Leeds
Police broke down the door at an address in Woodhall, Calverley, on Saturday morning where officers found 'a substantial amount' of drugs.
A man was arrested and detained in custody. Police said enquiries are ongoing.
In Armley, a Magistrates Court warrant was issued to search a property after reports of drugs and antisocial behavior - the operation is ongoing there.
A West Yorkshire Police spokesman said: "Neighbourhood officers have continued action this morning, officers have forced entry to an address in the Woodhall area of Calverley and recovered a substantial amount of drugs.
"One male has been arrested and is detained in custody for the offence and enquires are continuing.
"Neighbourhood Officers have had an early start in the Salisbury area in Armley. Executing Magistrates Search warrants to tackle drugs and anti social behaviour. The operation is ongoing."
It has been a busy few hours for police after a man was hit by a bus and left with life-threatening injuries in the city centre on Friday night.
Police are also searching for two missing teenage girls, last seen in school uniform on Wednesday.