Tel Aviv, Dec 27, SPA -- Palestinians fired a rocket atsouthern Israel at midday Wednesday, the army said, shortly after Israeli leaders threatened to begin retaliating for the attacks. Israeli military officials did not immediately know where the rocket landed or whether anyone was hurt, the Associated Press reported. Earlier Wednesday, Israel decided to renew pinpointattacks against rocket-launching cells in Gaza, threateningto send a shaky, month-old truce into total collapse.--SPA www.spa.gov.sa/414202