But aides on both sides say they are thinking about how the elevated alert level affects the election and about the possibility of an actual terrorist attack as they try to discuss the political repercussions of terrorism without being accused of doing anything as crass as discussing the political repercussions of terrorism.
While the statement was the first confirmation that Britain had stepped up security in response to the elevated alert level in the United States, it stopped short of saying sky marshals would definitely be used.
Though police officers remained on an elevated alert around the United States, there were few signs of trouble on the Christmas holiday.
Immediately after the attacks, the United States raised its terror alert level from elevated to high for mass transit systems, and European nations also increased mass transit security precautions.
The second set of values show an elevated level, a minimally elevated level that shows that there was a very slight heart attack.
In November, Sweden raised its terror alert level from low to elevated because of a "shift in activities" among Swedish-based groups thought to be plotting attacks.
LAST week, the Bush administration raised the color-coded alert level from elevated (or yellow) to high (orange) -- the sixth time it was raised since the system was established in March 2002.
Sweden, which has so far not had major terrorist attacks of the type suffered by the UK in July 2005 and Spain in March 2004, raised its terror alert level from low to elevated in October because of a "shift in activities" among Swedish-based groups.
Just last week the administration lowered the alert level to "elevated risk," or yellow on its color-coded scale, after a jittery 20-day period during which the nation was at "high risk," or orange.
There's no way of telling whether an elevated PSA level predicts one or the other.
While spam still remains at its lowest levels since 2007, spearphishing, or targeted spam, is becoming highly sophisticated and effective, resulting in an elevated threat level.
