According to several sources, singer Scott Weiland, 48, has died.

TMZ reports that he was found lifeless on his tour bus in Hamel, Minnesota on Thursday at approximately 9 p.m.

The former lead singer for bands Stone Temple Pilots and Velvet Revolver, he was well-known to have struggled with addiction and substance abuse, but as of this writing the cause of his death remains undetermined.

Photos via instagram.com/scottweiland