Raids in Stepps and Kilmarnock net £1.5m in illegal drugs 26 November 2013 Last updated at 16:17 Police raids in North Lanarkshire and East Ayrshire last week recovered illegal drugs with an estimated street value of more than £1.5m. Officers seized 370 kg of cannabis resin and herbal cannabis, worth about £1.3m, in the Stepps area on Wednesday. A 32-year-old man was arrested after 250,000 diazepam tablets, worth about £250,000, were found in a car on the A77 in Kilmarnock on Friday. The man is expected to appear at Kilmarnock Sheriff Court on Tuesday.