A 25-year-old man the FBI believes was responsible for an explosion that ripped through a Southern California fertility clinic left behind “anti-pro-life” writings before carrying out an attack investigators called terrorism,

The father of Guy Edward Bartkus, the suspect in the Palm Springs in vitro fertilization facility explosion, says that he was “shocked” when a relative reached out and said his son was implicated in the bombing.

Residents near the Palm Springs blast site were allowed to return home on Monday, but the clinic remained closed.

An explosion that rocked downtown Palm Springs Saturday morning was an “intentional act of terrorism” that has left one person dead and at least four people injured, Akil Davis, assistant director of the Los Angeles FBI field office, said Saturday evening.

The suspect, who died in the explosion that tore through the clinic and rattled the upscale California city of Palm Springs, also attempted to record or stream the attack

PALM SPRINGS, Calif. (AP) — Officials in California say police and firefighters are responding to an explosion that rocked the city of Palm Springs.

One person was reportedly killed after a car explosion damaged a fertility clinic in Palm Springs, and police are calling it an “intentional act of violence."

A law enforcement official says the person believed responsible for an explosion at a California fertility clinic posted online ramblings including a belief that the world should not be populated.

A California neighbourhood was evacuated amid dramatic scenes on Saturday as the FBI launched an investigation in Twentynine Palms over fears of a potential “blast zone”.