Magherafelt police say they have seized drugs with an estimated street value of £50,000 and over £10,000 in cash.
They say it follows the arrest of a man in the town yesterday.
"A male walking through the town this afternoon was stopped and detained for a search, in his possession were drugs and £9000 cash in a vacuum packed bag," they said in a social media post.
"The male was arrested for possession of criminal property and drugs. After his arrest follow up searches of property linked to the male recovered a significant amount of drugs and cash."