Gaza, July 17 (IANS) Two Fresh rounds of Israeli airstrikes on the southern Gaza Strip town of Khan Younis Wednesday evening killed five more Palestinians, including a three-year-old girl, authorities said. Israeli war jets fired missiles on a house and killed four people, including the girl and a woman. The fifth victim was killed in a separate airstrike on a house in town, a Gaza health ministry spokesperson said. "The death toll since the start of the Israeli aerial offensive on the Gaza Strip in July 8 has climbed to 220, and around 1,570 were injured," the spokesperson said, adding that most of those killed Wednesday were children.