IDF troops arrested two terror suspects in Bethlehem overnight Saturday, sources said Sunday morning. A Tanzim operative and a Popular Front for the Liberation of Palestine operative were caught in the raid. Soldiers discovered ammunition and magazines in the building where the men where found. The materials were confiscated and the fugitives were transferred to security interrogations. Meanwhile, Palestinians opened fire at troops operating in the Balata refugee camp in Nablus. No casualties were reported in the attack.