Powder Found On Envelope At Pomona Post Office (CBS 2 Los Angeles)

Los Angeles County fire officials say eight people have been taken to hospitals for examination after they were exposed to a mysterious white powder at a post office in Pomona. The department was called to the post office at about 10:17 a.m. Thursday after the eight touched a brown envelope containing the powder on a loading dock, Fire Inspector Ron Haralson said.

More: continued here