and that is income prehencive. that looks like the back of a church or a synagogue, places people go, covered in blood from a knife attack. it is far from calm where you are tonight. >> no, indeed. it is very, very tense. in fact, just a little while ago we watched as many as 200 young israelis in the street just below or bureau were chanting death to the arabs as this city boils over like we haven't seen since the last major attack, which was six years ago. benjamin netanyahu condemning the terror attack in a jerusalem synagogue. >> translator: today, in the middle of the morning prayers, while covered in prayer shawls, four rabbis were massacred, four jews, innocent jews. >> reporter: police say two palestinian men armed with butcher knives and a pistol entered the building in an orthodox neighborhood in west jerusalem. the assailants traveling from east jerusalem, killing five men. three americans with dual citizenship, the son and grandson of renowned boston rabbis and also killed abraham goldbe goldberg, an is