Sentence examples for on increased alert from inspiring English sources

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.

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.

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".

Increase alert to "red -- severe risk".

In Philadelphia, the police commissioner, Charles H. Ramsey, has placed the department on "high alert," increased patrols around religious buildings, and intensified security at tourist attractions and shopping malls, the police said.

The sudden activity peak in March did not culminate in a major eruption, and activity declined enough that the alert level was lowered to Yellow on May 3. On May 29, seismicity rapidly increased, and the alert level was restored to Orange because ash fell into more than 20 nearby communities.

On July 22 before the storm struck, the Philippine military was put on red alert, increasing security at the presidential palace.