It was just after 6.30am when the first shots were fired. A wave of Hamas fighters arrived at kibbutz Kfar Aza on foot and in the air, breaking through the Gaza border fence and flying over on hang gliders. Residents hid in their shelters, unsure of what was happening outside. The kibbutz, only 1.8 miles (3 km) from the Gaza border, was one of the first reached by Hamas on that October Saturday...