The military arm of the Palestinian terrorist organization Hamas, the Qassam Brigades, again attacked the Israeli border crossing Kerem Shalom with rockets on Tuesday. The Qassam Brigades claimed responsibility for the attacks, which triggered warning sirens in the area, according to the Israel Defense Forces (IDF). There was initially no information on casualties. On Sunday the Qassam Brigades attacked Kerem Shalom with around 10 rockets, killing four Israeli soldiers and injuring others. Kerem Shalom, the most important border crossing for the delivery of aid from Israel to the Gaza Strip, w…