Authorities in Colombia said that they confirmed the presence of drugs in Foo Fighters drummer Taylor Hawkins’s system when he died over the weekend. “Preliminary results of the urine toxicology test indicate the presence of 10 different substances: THX (Marijuana), tricyclic antidepressants, benzodiazepines, and opioids, among others,” a statement from Colombia’s attorney general said on Twitter on Saturday. “The National Institute of Forensic Medicine continues to conduct the necessary medical studies to ascertain the cause of death.” The drummer’s cause of death so far remains unknown. Hawkins died while on tour with the band, according to a statement released by the Foo Fighters. “The Attorney General’s Office will continue to investigate and will duly inform the findings of forensic examinations in due time,” the attorney general’s office continued. The Foo Fighters issued a statement following Hawkins’s death. Hawkins joined the group in 1997 after performing with singer Alanis Morrissette. “The Foo Fighters …