Israeli riot policemen arresting an Israeli activist, after Israeli police blocked the exit from an event of Zochrot ("Remembering") organization, commemorating the Palestinian Nakba, in the midst of the Zionist Independence day celebration, in central Tel Aviv, April 25, 2012.Israeli police blocked the exit from the event, claiming activists were planning to take part in an action commemorating the Nakba. 3 activists were arrested and all participants at the event were required to show their identity cards before being allowed to leave the premises. Oren Ziv/Activestills