A man has been arrested in connection with the sending of letters containing the poison ricin to US officials including President Obama. <br /><br />Paul Kevin Curtis was detained in Mississippi, - all the letters were post marked Memphis, Tennessee.<br /><br />They were prevented from reaching their targets after they tested positive for the lethal toxin at a government mail-screening facility.<br /><br />...<br />http://www.euronews.net/
