Friends and fans of Mike Starr have taken to Twitter to share their thoughts and condolences - the former Alice In Chains bassist died at the age of 44 in his Salt Lake
Slash: "Really tragic news about Mike Starr. RIP."
Mötley Crüe's Nikki Sixx: "RIP Mike Starr. Another fallen Soldier to addiction... :("
Former Guns N' Roses drummer Steven Adler: "R.I.P. Mike Starr!! Such a sad day! :( :("
Velvet Revolver drummer Matt Sorum: "Drugs and alcohol aren't a joke. Please take care of yourself and respect yourself. We lost Mike Starr today. Rest in Peace man."
Ex-Dream Theater drummer Mike Portnoy: "RIP Mike Starr... I watched his struggle on Celebrity Rehab and had my fingers crossed for his recovery... this disease kills... sad stuff..."
Lamb of God guitarist Mark Morton: "Horrible news. RIP Mike Starr."
According to The Salt Lake Tribune, police do not suspect foul play in the death of Starr.
The medical examiner's office will likely conduct an autopsy on Wednesday, says Reuters, but the results of toxicology tests could take up to two months.