US Secretary of Defence Leon Panetta has said that the danger in Benghazi is "no mystery" as the British, Dutch and German Foreign Offices in advising citizens to leave the Libyan city of Benghazi.
He said, "It's no mystery that it's a dangerous situation there and everybody in that area I think is very concerned that they simply can't provide the security necessary to protect people in those places. I think that's why these countries have made the decision that they've made.
"As far as I know we have not been asked to participate in moving any people out of Benghazi."
More top news
Scientists find a cluster of spinal neurons integrate sensory data and unconsciously adjust muscles to maintain balance and avoid slipping.
Billionaire businessman Stefano Pessina has said the Labour leader's economic plans are "not helpful for business or the country."
British scientists believe their research may help to explain the missing material that makes up more than 80% of the universe's mass.