RAMALLAH, Dec. 7 (Xinhuanet) -- The Israeli army arrested at least 21 Palestinians in the West Bank cities of Ramallah, Qalqilya, Nablus and Bethlehem from Monday night till Tuesday morning, Palestinian security sources said.

    Israeli troops backed by tanks and armored vehicles intruded into Qalqilya before dawn Tuesday and stormed Kfar Saba and Nazzal neighborhood in the city.

    They searched into several houses, including that of Ibrahim al-Fayed, a Hamas militant who was killed by the Israeli army a month ago. Enditem