The IAF attacked two Hamas targets in Gaza early Thursday morning in retaliation for the firing of a rocket at Israeli territory on Wednesday night. The rocket hit an unpopulated area of the community of Sderot HaNegev near the Gaza border. DEBKAfile: The attack indicated a shift in Defense Minister Avigdor Lieberman's policy of responding strongly against Hamas for any fire from Gaza. Hamas had threatened recently that it would respond strongly to any bombing or fire by Israel if the policy continues.