Thomson ReutersMay 30, 2013 04:48
NEW YORK (Reuters) - Two letters addressed to New York City Mayor Michael Bloomberg and his gun control group contained material believed to be the deadly poison ricin, and referenced the debate on gun laws, police said on Wednesday.
The New York Police Department said initial tests on the two letters, opened in New York and Washington, D.C., indicated the presence of ricin. Emergency workers who came in contact with the letters showed minor symptoms of ricin exposure, the police said.
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