Pro-Israel activists will convene at the UN's main hall to show their support for the Jewish state and learn how they can combat the anti-Israel BDS movement.
"This outrageous vote is an affront not just to the Jewish people, but to all those who value the vital role of historical truth in navigating current global issues," WJC President Lauder charges.
Israel condemned a UNESCO resolution that declares holy Jewish sites as Muslim, saying it is a distortion of history which only adds fuel to the flames of violence in the region.
The British PM announced a program to combat the rising Islamic extremism and anti-Semitism in his country, describing it as the "struggle of our generation."