Officials in Gaza say up to 15 people could be missing after an Israeli airstrike in Zeitun. An attack destroyed two houses overnight belonging to a single family. Pictures show children's toys among the rubble.
Gaza health officials say at least two children and two adults were killed and 42 injured.
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.