An 'Iron Dome' anti-missile battery is reported to have intercepted an Tel Aviv rocket.
Air raid sirens sounded in Israeli city Tel Aviv for a third day.
The Israeli ambulance service said there were no casualties.
Israeli army and police said the rocket was intercepted mid air.
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.