Silver Command, a multi-agency taskforce, has been set up in Ryedale, to monitor the threat of flooding and co-ordinate a response.

BBC: Pumps in place in Ryedale due to flood threat

The FDA continues to monitor the mercury threat and could revise its consumption recommendations.

CNN: Beware of shark meat, FDA warns

"DHS will continue to monitor intelligence reporting and respond appropriately to protect the American people from an ever-evolving threat picture, and as always, encourage the public and our partners in law enforcement and the private sector to remain vigilant in promptly reporting any suspicious activities, " he added.

CNN: STORY HIGHLIGHTS