On Monday, 48-year-old Paul John Vasquez died from an apparent heart attack.

According to TMZ, the actor’s body was discovered unconscious at his father’s home in San Jose, California, on Monday night. When paramedics arrived at the scene, he could not be revived. 

The cause of his death is currently under investigation.

“This news has come as a surprise to us,” Vasquez’s representative told People. “Our hearts are heavy. He was a kind, creative and loving man. He will be missed.”

Vasquez mostly known for his role on Sons of Anarchy is the second actor from the popular show to have passed away in recent months. 

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His former co-star Alan O’Neill, who died in July after suffering from heart problems over the years. 

Alan’s body was discovered by his girlfriend at her Los Angeles apartment.