Tuesday's terror attack in Jerusalem has not only raised tensions in the capital but threatens to harm the co-existance of the city's residents, whether secular or ultra orthodox Jews, or residents of east Jerusalem or Israeli Arabs.Hours after the bulldozer attack in which 18 people were wounded and the terorist shot dead, a group of ultra orthodox youths beat up two east Jerusalemites as they walked in one of the capital's religious neighborhood. In an attempt to flee the raging mob the two entered a nearby home where a Jewish family was sitting shiva. Family members offered the two shelter and prevented the mob from attacking them.While the perpetrators of three terror attacks that occurred