Tel Aviv Abbas pledged to track down those responsible for theattack, accusing them of trying to derail the peaceprocess. "The Palestinian Authority will not stand silent in theface of this act of sabotage," Abbas said in a statementafter holding an emergency meeting early Saturday with hissecurity chiefs. "We will follow and track down thoseresponsible and they will be punished accordingly." Early Saturday Israeli troops entered the West Bankvillage of Deir al Ghusun, informing a family their son,Abdullah Badran, 21, was the bomber and arresting two ofhis brothers, Palestinian security officials said. Three other people were also arrested including the localImam, the officials said. The army confirmed the arrest raid, but gave no furtherdetails. A temporary curfew was imposed on the villageduring the raid, but had now been lifted, the army said.--SPA1047 Local Time 0747 GMT www.spa.gov.sa/242401