The co-stars of Friends say they are mourning the “unfathomable” death of Matthew Perry.

Jennifer Aniston, Courteney Cox, Lisa Kudrow, Matt LeBlanc, and David Schwimmer have released a joint statement which reads they are “utterly devastated by the loss of Matthew.”

Perry was found dead at his Los Angeles home Saturday. An investigation is ongoing.

The Friends’ actors say they “were more than just cast mates” with Perry. They say they “are a family.”

Matthew Perry, who was raised in Ottawa and played Chandler Bing throughout the show’s 10 seasons, is being mourned worldwide.

Fans are placing flowers and heartfelt tributes outside the New York building that served as an exterior for the show.