An anti-Israel mob clashed with counter-protesters near a Brooklyn synagogue on Monday night – less than a week after a similar demonstration rocked Manhattan. At least three people were detained after agitators swarmed the area near the Young Israel Senior Services of Midwood, which was hosting an event promoting real estate in Israel and the West Bank. The anti-Israel mob chanted “Palestine is ours alone” and several carried a wide banner that read “Israel is killing children.” During one fight, a person who concealed their face with a medical mask yanked a girl’s hair — and nearly threw her against a parked car in the process, according to a video obtained by The Post. At least three people were detained after agitators swarmed near the Young Israel Senior Services of Midwood, Brooklyn, which was hosting an event promoting real estate in Israel and the West Bank. William C Lopez/NY Post Protesters behind a barrier hold Israeli flags and a sign.…