There was more hopeful talk of a possible ceasefire in Gaza tonight but there has been little sign of a let up in the violence.
Egypt's President Mursi spoke of "indications" that there might be a ceasefire.
But there are reports of more deaths in Gaza.
Earlier more than 30 people in a refugee camp were hurt and Hamas headquarters were demolished in Israeli air strikes.
Our Middle East Correspondent John Ray reports from Gaza.
Today's bombing in Tel Aviv is reminiscent of six years ago and could mark a serious escalation in the conflict.
A truce in Gaza suits all sides but none of the groups seem interested in a long-lasting solution.
A complex system of air defences has been instrumental in protecting Israel's population from incoming rockets.