Ricardo Medina, who once acted in Power Rangers series, arrested for fatal stabbing of flatmate

A California man who acted in a Power Rangers television series was arrested on suspicion of murder in connection with the fatal stabbing of his roommate with a sword, authorities said on Sunday.

Ricardo Medina, 36, of Palmdale was arrested following the incident, which occurred shortly before 4pm on Saturday, according to the Los Angeles County Sheriff's Department.

The incident began when Medina went to his bedroom with his girlfriend after getting into an argument with his roommate, Joshua Sutter, according to the Sheriff's Department.

Sutter, 36, followed and forced open the door to the bedroom; Medina took up a sword that he kept next to the door and fatally stabbed Sutter once in the abdomen, authorities said.

Medina called 911, the US emergency number, and stayed at the home.

He was later interviewed by detectives and booked on Sunday at the sheriff's station in Palmdale, north of Los Angeles. His bail was set at US$1million.