A group of pro-Palestinian graffiti vandals left their mark on a Brooklyn synagogue Friday morning as the war in Israel rages on, police said. It was one of two acts of anti-Semitic vandalism to happen in the city within 24 hours, cops and elected officials said. At about 6:45 a.m., the words “Jews for Palestinian Resistance” were found spray painted on the sidewalk outside of Congregation Beth Elohim, a reform synagogue in Park Slope at the corner of Garfield Place and Eighth Ave. The vandals also slapped two anti-Israel stickers on the doors of the massive corner property. Synagogue staffers...