Smoke rises during Israeli's offensive in Gaza January 8, 2009. Palestinians faced even grimmer conditions in the Gaza Strip on Thursday after a U.N. aid agency halted work, saying its staff were at risk from Israeli forces fighting Hamas militants, after two drivers were killed.(Xinhua/Reuters Photo) Photo Gallery>>>

    GAZA, Jan. 8 (Xinhua) -- Two Palestinian civilians were killed and five wounded in a series of fresh Israeli strikes on Gaza city neighborhoods of Zeiton and Tal el-Hawa, medics and witnesses said.

    The witnesses said that a Palestinian was killed and two wounded as an Israeli shell hit an apartment in a building in Tel el-Hawa neighborhood in southern Gaza city, causing severe destruction to the flat.

    Another Palestinian was killed and four wounded in Israeli tanks' shelling on the Palestinians' houses in Zeitoon neighborhood in southeast Gaza city, adding that severe destruction was caused to several houses.

    According to emergency chief Mo'aweya Hassanein, the death toll hit to 765 Palestinians killed and more than 3,100 wounded, 50 percent of them are civilians, including dozens of women and children.

    Meanwhile, the United Nations for Relief and Work Agency in the Far East (UNRWA) suspended on Thursday providing humanitarian aids to Gazans due to the Israeli attacks on its buildings.

    An official UNRWA statement sent to reporters said that the humanitarian organization decided to suspend providing Gaza Strip its aid after Israeli targeted its schools and its food-laden trucks.

    On Tuesday, the Israeli army fired two surface-to-surface shells at a school run by the organization that shelters dozens of families in the northern Gaza Strip refugee camp of Jabalia, killing more than 40 civilians.

    Earlier, three Palestinians were killed in an Israeli attack on another school in the beach refugee camp in western Gaza city. Another UNRWA employee was killed in a third strike on one of the schools on Monday.

    Also on Thursday, Israeli soldiers opened fire at an UNRWA food-laden truck in northern Gaza Strip, killing the driver and wounding another worker in the truck.

    Earlier, UNRWA decided to open 11 of the schools that it runs in the Gaza Strip to host dozens of homeless families that their houses were bombarded by the Israeli warplanes and tanks.