California, May 18 -- One person was killed while four others were left injured after a bomb exploded outside a fertility clinic in Palm Springs fertility on Saturday (US local time), NY Post reported.

According to NY Post, local officials have called it an "intentional act of terrorism."

Mayor DeHarte told NY Post that the blast may have come from a car parked outside American Reproductive Centres.

"The blast appears to be an intentional act of violence," Palm Springs Fire Chief Paul Alvarado said in a statement. "The blast field extends for blocks with several buildings damaged, some severely."

According to sources referred to by The Post, the person who was killed may have been the suspected bomber, however police only described th...