Jerusalem police are trying to determine who placed the medium-sized bomb that went off in the courtyard of a high school in the southeastern Jerusalem village of Sur Bahir yesterday morning, lightly wounding seven students and a teacher. A heretofore unknown Jewish group calling itself “The Avengers of the Oppressed” took responsibility in pager messages to several police reporters around the time of the explosion. However, the murky claim could not be independently confirmed, and police stressed they were looking into “all angles.” Full Story