Israel ordered a small-scale mobilization of reservists on Wednesday and strengthened its missile defenses as precautions against possible Syrian attack should Western powers carry out threatened strikes on Syria.
Israeli aircraft bombed Hamas government buildings in Gaza on Saturday, including the prime minister's office, after Israel's cabinet authorized the mobilization of up to 75,000 reservists in preparation for a possible ground invasion.
Israel's cabinet authorized the mobilization of up to 75,000 reservists late on Friday, preparing the ground for a possible Gaza invasion after Palestinians fired a rocket toward Jerusalem for the first time in decades.
Israeli ministers were on Friday asked to endorse the call-up of up to 75,000 reservists after Palestinian militants nearly hit Jerusalem with a rocket for the first time in decades and fired at Tel Aviv for a second day.
Defence Minister Ehud Barak sought government approval on Friday to mobilize up to 75,000 reserve troops for Israel's Gaza campaign, political sources said, in a sign of preparations for a possible ground offensive.
Air-raid sirens were sounded in Jerusalem on Friday, marking the first time the holy city has been targeted by rocket fire from Gaza.