Israeli security forces had been on increased alert in advance of the Jewish high holidays, which include Yom Kippur.
Sweden is among a series of Nordic and Baltic nations on increased alert over growing tensions with Russia in the wake of the Ukraine crisis.
A senior F.B.I. official said the authorities had increased surveillance on potential terrorism suspects inside the United States in recent weeks and remained on increased alert.
He reacted to the suicide bombing tactically: a new danger had emerged, and his troops would have to be on increased alert to the threat posed by civilian vehicles.
The increased alert came after an outbreak of a particularly severe form of bird flu, the H5N8 virus, was reported at a duck farm in the south-west of the country, prompting fears it could spread throughout the region.
SEOUL, South Korea — American and South Korean troops increased alert levels on Wednesday as South Korea's foreign minister warned that North Korea could launch its medium-range Musudan missile "any time from now".
Though the school said no misbehavior had been found, testing services have been on increased alert since a large cheating ring was uncovered on Long Island last year, involving test-takers' impersonating other students.
The school's liaison was told that the students were seated too close together, among other administrative issues, Ms. Anderson writes: Though the school said no misbehavior had been found, testing services have been on increased alert since a large cheating ring was uncovered on Long Island last year, involving test-takers' impersonating other students.
Taiwan, however, says it sees no military build-up off its shores and has not put its own forces on increased alert, at least not yet.For many all this looks like a re-run of the events of 1995-96 when Mr Lee went on a trip to the United States.
Obama administration officials publicly declined to discuss what specific information had prompted the increased alarm and alerts, citing a desire to protect classified sources and methods.
