Valium worth £240,000 seized in raids in Renfrewshire 17 August 2013 Last updated at 12:06 Drugs with an estimated street value of almost a quarter of a million pounds have been seized by police during late-night raids in Renfrewshire. Officers searched a commercial premises in Underwood Road in Paisley and houses in Johnstone, Inchinnan and Howwood at about 23:50 on Friday. The drugs, believed to be manufactured Valium, are valued at £240,000, police said. Three men, aged 48, 40 and 21, were arrested in connection with the finds. They are being held in police custody and are expected to appear at Paisley Sheriff Court on Monday.