A group of Arab foreign ministers will join the head of the Arab League in a visit to Gaza on Tuesday, to show solidarity with Palestinians under Israeli attack.
Officials told the Reuters news agency that Arab league ministers had called an earlier meeting about the Gaza mission.
Arab League chief Nabil Elaraby told reporters in Cairo the visit would take place on Tuesday. A League source said Elaraby would lead the delegation.
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.