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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Kerrie Gosney brings you Saturday night's forecast
The NFU and National Trust are calling on the government to do more to make the countryside flood resilient.
Many areas dry with cold nights, patchy fog and some sunshine by day