At least one person was killed in an explosion Saturday morning near a fertility clinic in Palm Springs, California, that authorities are calling an "intentional act of terrorism."Palm Springs city officials said in a Facebook post that the blast occurred just before 11 a.

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

Photos and video of the scene posted to social media show rubble and debris scattered around and the wall of the building blown out.