Police have launched an investigation after a substance believed to be drugs was found at a venue in Hamilton over the weekend, it was revealed tonight.A police spokesman said that officers went to an establishment on Front Street to carry out a liquor licence check. He added: “While there, the officers acted on information that illegal drugs were being used on the premises. “Officers subsequently found individuals in possession of a white powdery substance believed to be a controlled drug, along with other drug paraphernalia.”The incident happened just after 9.15pm on Saturday.The spokesman said: “Investigations into this matter remain ongoing.”