Hamas fired rockets Friday at the Kerem Shalom border crossing, one of several points at which humanitarian aid enters the Gaza Strip from Israel. It was just the latest such attack, after a barrage of rockets hit the crossing last weekend, killing four Israel Defense Forces (IDF) soldiers and wounding others. The IDF released a statement: Following the sirens that sounded earlier today (Friday) in the area of Kerem Shalom, one launch was identified crossing from the Rafah area into Israel. The launch was successfully intercepted by the IDF Aerial Defense Array. A short while ago, sirens again sounded in...