Explosion at California medical facility appears to be intentional act, source says

Explosion at California medical facility appears to be intentional act, source says  CNNAliso Viejo deadly explosion likely an intentional act, official tells AP  KABC-TVBlast at California building that killed one may have been intentional, sources say  NBCNews.comWoman killed in ‘suspicious’ explosion at Aliso Viejo office building  Los Angeles TimesFull coverage
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