President Abbas halted negotiations Sunday. Secretary of State Rice arrives this week.
An Israeli defense official said 'targeted assassinations' may be used to respond to the increase in attacks.
In an interview, key Hamas strategist Mahmoud Zahar discusses how his movement has been preparing for a potentially imminent Israeli assault on Gaza.
A visit to a rocketmaker shows a reliance on very basic materials. The range of rockets fired at Israel has slowly been growing.
The strip's Islamist leaders have called for protests Wednesday against Bush's first trip to Israel and the West Bank.
Ahead of President Bush's trip to the Middle East, Israel intensifies operations in Gaza and the West Bank.