The tragic last hours before Friends actor Matthew Perry died from a drug overdose have been laid bare in new court documents.

Perry was found dead at his home in Los Angeles, aged 54, on 28 October last year.

The actor was taking ketamine six to eight times a day before he died, according to court documents.

Five people have been charged in connection with Perry’s death, including his live-in personal assistant Kenneth Iwamasa, a doctor named Salvador Plasencia, known as “Dr….