A letter sent to the US senate office has tested positive for the poison ricin, reuters has reported.
US senator Durbin said he was briefed by the FBI on an envelope that test positive for ricin.
The senator said he believed the letter was just one of suspicious letters that have been found.
More top news
Should no deal be negotiated, Dover, the UK's gateway to Europe, would be one of the places to feel the effects of this most.
The Young Vic’s new artistic director Kwame Kwei-Armah has said he could back quotas to help improve the diversity of British theatre.
Temperatures back to average for mid-October