Smoke rises after an Israel air strike at a building near the border with Egypt in Rafah, southern Gaza Strip, on January 06, 2009. Israeli troops battled Hamas fighters in major cities of overcrowded Gaza today as Israel spurned appeals to halt a war on the Islamists that has killed at least 580 Palestinians. Israeli tanks firing cannons and backed by helicopter gunships rolled into the southern city of Khan Yunis in the pre-dawn hours, to be met by return fire from Hamas and other militant groups, witnesses said. Getty Images logo Getty Images 10 months ago

Smoke rises after an Israel air strike at a building near the border with Egypt in Rafah, southern Gaza Strip, on January 06, 2009. Israeli troops battled Hamas fighters in major cities of overcrowded Gaza today as Israel spurned appeals to halt a war on the Islamists that has killed at least 580 Palestinians. Israeli tanks firing cannons and backed by helicopter gunships rolled into the southern city of Khan Yunis in the pre-dawn hours, to be met by return fire from Hamas and other militant groups, witnesses said.