“Friends” star Matthew Perry was found dead Saturday in a hot tub at his Los Angeles home, law enforcement sources said. He was 54.

Authorities responded about 4 p.m. to his home, where he was discovered unresponsive. The sources, who spoke on condition of anonymity because the investigation was ongoing, did not cite a cause of death. There was no sign of foul play, the sources added. A representative for Perry did not immediately respond to requests for comment.

The Los Angeles Police Department’s robbery-homicide detectives are investigating the death. The cause of death will be determined at a later date by the Los Angeles County coroner’s office.

“We are devastated by the passing of our dear friend Matthew Perry,” Warner Bros. Television Group, which produced “Friends,” said in a statement. “Matthew was an incredibly gifted actor and an indelible part of the Warner Bros. Television Group family. The impact of his comedic genius was felt around the world, and his legacy will live on in the hearts of so many. This is a heartbreaking day, and we send our love to his family, his loved ones, and all of his devoted fans.”