Air raid sirens in Jerusalem

Shortly before 1:00 - about 40 minutes ago - while we were in the middle of praying the afternoon service, an air raid siren went off here in Jerusalem.In our neighborhood, we are used to the siren. It goes off every Friday afternoon 40 minutes before sundown to signal the onset of the Sabbath, and of course, it goes off every year on Holocaust Memorial Day and Memorial Day in the Spring. But