Investigators are combing through the writings of a 25-year-old man believed responsible for bombing a Palm Springs fertility clinic.

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.

Residents described the intensity of a deadly explosion in Palm Springs, likening the frightening jolt in the resort community east of Los Angeles to a thunderclap or car crash.

The person believed responsible for an attack targeting a Palm Springs fertility clinic Saturday posted rambling online writings before an explosion that investigators are treating as an act of terrorism, a law enforcement official told The Associated Press.

A vehicle bomb explosion at a Palm Springs fertility clinic killed two people and injured 22, with the FBI investigating the incident as a suspected act of domestic terrorism linked to 25-year-old Guy Edward Bartkus of Twentynine Palms.

Violence like the car bomb attack in Palm Springs has been common at abortion clinics — but typically rare at fertility clinics.

Languages: English One person is dead, and four people are injured after a car explosion near a California fertility clinic, according to Palm Springs Police Department (PSPD) Lieutenant Mike Villegas,

One person was killed and at least four were injured Saturday when a car exploded in a powerful blast at a Palm Springs fertility clinic that the FBI deemed an intentional act of terrorism.