A 31-year-old woman from Leamington was arrested on suspicion of being concerned in the supply of class B drugs following coordinated drugs warrants in the town this morning (Thursday).
The woman was arrested after a warrant was executed at a flat on Clapham Terrace.
At the same time a warrant was executed at a barge on the Grand Union Canal.
A quantity of what is believed to be herbal cannabis was seized at the flat.
The warrants were carried out following information provided by members of the public.
Warwickshire Police can be contacted by caling 101.
Alternatively, information can be provided anonymously to the independent charity Crimestoppers on 0800 555 111 or via www.crimestoppers-uk.org.