Chief Inspector Andrew Allan, from Lothian and Borders Police spoke to our reporter Jenny Longden about why the raids were important.
As a result of today's raids in Galashiels, Kelso, Selkirk and Hawick, 11 people have been arrested.
Police relied on information from the public to target specific homes.
They seized street dealer amounts of Heroin and Valium, a cannabis cultivation and personal quantities of cannabis, as well as £3000.
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