ADL urges US Jewish institutions to be alert following bomb threatsOrganization issues security advisory after some 30 facilities targeted.Crime scene [illustrative](photo credit: INGIMAGE)
![Crime scene [illustrative]](https://images.jpost.com/image/upload/f_auto,fl_lossy/q_auto/c_fill,g_faces:center,h_720,w_1280/255982 "Crime scene [illustrative]")