The cause of death for Guns N' Roses guitarist Slash's stepdaughter, Lucy-Bleu Knight, who died at the age of 25, has been revealed. On Thursday, the Los Angeles County medical examiner announced that Lucy-Bleu Knight's cause of death was hydrogen sulfide toxicity and classified it as a suicide. Authorities said that Knight was found unresponsive at a private home on July 19 during a welfare check by law enforcement and was pronounced dead at 3 p.

m. local time. Hydrogen sulfide is a toxic and flammable gas that can be harmful to humans.

A deputy medical examiner performed the examination on July 22 and confirmed the cause of death on Thursday. The Centers for Disease Control and Prevention notes that acute exposure to hydrogen sulfide can cause symptoms such as nausea, headaches, confusion, balance problems, tremors, convulsions, and irritation of the skin and eyes. The musical icon shared the tragic news of his cherished stepdaughter's death in a heartbreaking Instagram post on July 22.

In a moving Instagram post on July 27, Slash expressed his deep sorrow, saying, "My heart is permanently fractured," and shared a touching selfie of Lucy-Bleu as he described his anguish. "I will never ever stop missing you & remembering what a beacon of happiness, laughter, creativity & beauty you have always been ..

. & still are." He continued: "The brightest light in the lives of so many that loved you so much.

I find solace in the hope that you are at peace now. I will love you eternally..