Despite the apparent activation of Israel's Iron Dome air defence system, the military said no rockets were shot down nor landed in any built-up areas.
Brig. Gen. Ronen Manelis, the chief Israeli military spokesman, said the army had been caught off guard by Thursday night's rocket barrage.
The Red Alert incoming rocket siren sent residents in the entire Gush Dan region racing for safe spaces and shelters.
That was later denied by the Israeli military, RT's Paula Slier reported from Tel Aviv.
'The Hamas organisation is the main organisation in the [Gaza] Strip.
Israeli journalist Barak Ravid, citing an unidentified Israeli official, said the Palestinian faction Hamas, which governs the Gaza Strip, did not fire the rockets.
Israeli media reported that Islamic Jihad, not Hamas, claimed responsibility for the rocket attack.
Sirens were triggered Thursday evening in central Israel, as two rockets from Gaza were fired at the heart of the country for the first time since a major conflict in 2014, signaling a possible dramatic escalation of violence by terror groups in the Strip just weeks before the Knesset elections.
BREAKING NOW: Rockets Fired Towards Tel Aviv, Missiles Intercepted by Israeli Defenses
In an unusual step that indicated Hamas was attempting to prevent further escalation, the Hamas Interior Ministry said the rocket fire went "against the national consensus" and promised to take action against the perpetuators. Hebrew-language media reported that Fajr missiles were launched, which PIJ has in its arsenal.
Hamas denied involvement for the rocket salvo, which it said took place as its leaders met Egyptian delegates about efforts to secure a long-term ceasefire with Israel.
The Home Front Command did not give any special instructions to Israelis and said they could continue to carry on as normal.
All emergency response organizations in the Tel Aviv area increased their alertness following the incident. "There were reports of a number of Israelis who were treated for shock", reports The Jerusalem Post.
According to media reports, both United Nations and Egyptian officials were seeking to prevent a violent escalation. There was no confirmation of the unsourced reports.
An Iron Dome Missile Defense battery set up in the southern Israeli city of Sderot fires an intercepting missile. Israel is holding national elections in less than a month.
Tel Aviv's mayor, Ron Huldai, told Israeli television he believes one rocket fell into the sea.
It was the first time sirens had rung out in the city since the 2014 Gaza war.
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That's a price point needed to reach more consumers and generate the sales that the company needs to survive, Musk has said. Ramsey asked. "It's nearly as if the decision was announced and made without any analysis of what the outcome would be".