Israeli soldiers rest by an armored personnel vehicle on the border of the Gaza Strip, on January 6, 2009. Over 540 Palestinians have been killed and some 2,500 others injured in the Gaza Strip during Israel's Operation Cast Lead starting from December 27, 2008. [Xinhua]

Cartridge cases are piled up at an Israeli artillery position on the border of the southern Gaza Strip, on January 6, 2009. Over 540 Palestinians have been killed and some 2,500 others injured in the Gaza Strip during Israel's Operation Cast Lead starting from December 27, 2008. [Xinhua]