square yesterday. it is one of more than 2,000 anti-semitic attacks that have occurred throughout the country just this year. my colleague, stephanie goss, reports. >> reporter: tensions are high as new york police continue looking for as many as six people involved in the attack of a jewish man. the victim of an alleged hate crime. this video appears to show the moment 29-year-old joseph borgen was attacked. >> surrounded by, like, a whole mob, crowd of people. they proceeded to obviously assault me, beat me, kick me, punch me, hit me with crutches. >> reporter: one man is facing multiple charges, including assault as a hate crime. borgen says they yelled anti-semitic slurs. >> we're going to kill you, we're going to kill israel. >> reporter: the assault taking place as propalestine and proisraeli protesters confronted each other. in the days following the start of the recent violence in the middle east. the antidefamation league found more than 17,000 tweets with variations of the