Why do the Israeli forces threaten to carry out a massive offensive against the Palestinians?

Israeli-Israeli troops have besieged the Palestinian National Authority headquarters in Ramallah, the first military operation in this region since last November. Twenty armed vehicles and jeeps took part in the operation. Israeli forces have been threatening to carry out a massive offensive against the Palestinians after a suicide attack in the Kami crossing that killed six Israelis.
Question: Why do the Israeli forces threaten to carry out a massive offensive against the Palestinians?

Election officials in East Timor have begun counting the votes from the parliamentary elections. They say counting in the capital Dili will be delayed a little because of the large number of votes. The election on Saturday in the former Portuguese colony was generally peaceful. Candidates from 14 political parties are competing for seats in East Timor’s 65-member parliament. The young nation has security problems and almost 50 percent of its workers lack jobs.
Question: What is the percentage of unemployment in East Timor?