NEW : Israeli forces opened fire , killing Mansi and wounding two other Hamas operatives , who were captured , the Israelis said . Fighting nears densely populated Gaza City , witnesses say . Sources : Egyptian artillery ignites buildings , killing 1 and wounding early Sunday . Leader of Israel rocket teams is killed , Gaza City says . Israeli jets apparently violate Israeli airspace .
NEW : Fighting nears densely populated Gaza City , witnesses say . Sources : Egyptian artillery ignites buildings , killing 1 and wounding early Sunday . Leader of Israel rocket teams is killed , Gaza City says . Israeli jets apparently violate Israeli airspace .