17 Palestinians were killed by Israeli forces in Gaza Gaza.15.01.2008Senior Palestinian leader of the Islamic group Hamas Mahmoud Zahar mourns over the body of his son Hussam, 24, during his funeral in Gaza City, Tuesday, Jan. 15, 2008. Thousands of angry mourners marched through Gaza to bury the son of Gaza's most senior Hamas leader, alongside 16 other Palestinians, mostly militants, in an Israeli incursion into the strip on Tuesday. Hussam Zahar, 24, was the second son of Hamas hard-liner Mahmoud Zahar, to be killed by Israel. Zahar is Hamas' most senior member in the Gaza Strip, where the militant group rules. "photo by Fady Adwan