WEST HOLLYWOOD (CBSLA.com) —  The West Hollywood fire that injured three people Friday and reportedly killed a dog owned by “Twilight” actress Ashley Greene, is being investigated as a possible arson.

Firefighters extinguished the Granville Towers blaze in about 20 minutes, according to the Los Angeles County Fire Department.

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Granville Towers, long a home to Hollywood stars and celebrities, is located on Crescent Heights, near Sunset Boulevard.

Paramedics examined three people at the scene for minor injuries, but no one was transported for hospital treatment, fire officials said.

The entertainment news site TMZ.com reported the apartment was occupied by Greene, 26.

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Los Angeles county and city firefighters battled the flames that were reported just before 10 a.m.

The cause remained undetermined, but an investigation by the Los Angeles County Sheriff’s Department’s Arson and Explosives Detail was under way.

Through the years, many celebrities have called the building home,  including Rock Hudson, Mickey Rourke, David Bowie, Kristin Chenoweth, and Portia de Rossi. Reporting for CBS2, Randy Paige said “rumors of Marilyn Monroe and Bette Davis having also lived here are not true.”

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In addition to Greene, novelist Christopher Rice (son of “Interview with the Vampire” author Anne Rice) is also a current resident.