Pentagon quarantine 'sparked by castor seeds' not ricin poison
[ad_1] Image copyright Getty Images Image caption Pentagon officials wear protective suits as they inspect the quarantined mailroom The suspicious substance that triggered a quarantine after arriving in the post at the US Defense Department was castor seeds, a Pentagon official has said. Pentagon spokeswoman Dana White made the announcement one day after letters were also sent to the White House and a Republican senator's office in Texas. Earlier it had been reported that the substance in the letters had tested positive for the deadly poison ricin. Utah police have detained a man in connection to the case. Ricin is made from castor seeds and is a by-product of castor oil production. Suspicious envelope posted to Trump "According to our preliminary analysis, the substance was castor seeds, from which ricin i...