BETHLEHEM, May 25, 2004, (WAFA) – Israeli Occupation Forces (IOF) arrested early Tuesday four civilians after storming their houses in Bethlehem City town of al-Khader, witnesses said.... They told WAFA that massive Israeli troops incurred into the town and besieged several civilian houses after forcing their members to leave. They ordered, under threat of fire, the youth to take off their clothes. Four civilians were arrested and led into an unknown place.... The witnesses added that Mohammed Naji 20, Ahmed al-Kanoori 20, Ahmed Dabash 19 and Thaer al-Saifi, 19 were arrested and led into an unknown place.... Earlier on Monday, IOF troops beefed up their military presence in Nablus, Palestinian security sources.... They confirmed that the IOF deployed its military troops into the city, imposing a strict siege on Balata Refugee Camp of the city....