Lebanon's National News Agency reported Israeli jets circling over Lebanese territory early on Thursday before exiting.
Israeli Prime Minister Benjamin Netanyahu traveled to Moscow on Wednesday to meet with President Vladimir Putin and discuss military coordination amid new strikes in Syria blamed on Israel.
"It was commanded and ordered by (Quds Force chief General) Qassem Soleimani and it has not achieved its objective", military spokesman Lieutenant-Colonel Jonathan Conricus told reporters. "This event is not over".
The announcement came shortly before US President Donald Trump made public his decision to withdraw from the Iran nuclear deal.
"An American announcement that it's withdrawing from the agreement would let Iran drive a wedge between the world powers and gradually loosen worldwide oversight over its nuclear program", Amos Gilad, a retired senior Israeli defense official, told the Haaretz newspaper for a story published this week.
If confirmed, this would be the first rocket attack carried out directly by Iran, rather than by one of its proxies, against Israel.
Israel has been warning for weeks that it will not accept Iran entrenching itself militarily in neighbouring Syria, where Tehran is supporting President Bashar al-Assad's regime in the country's seven-year civil war.
Syrian state television was broadcasting footage of its air defences firing, and playing patriotic songs.
Israel has traded blows with Iranian forces in Syria since February, stirring concern that major escalation could be looming.
There was no immediate comment from Israel, which nearly never confirms or denies airstrikes in Syria.
Another rocket hit an ammunition warehouse while some were brought down south of the city of Homs, state media said.
There have been fears in Israel of Iranian retaliation.
A month ago, an alleged Israel Airstrike also killed 7 Iranian personnel deployed at the Syrian Base.
Bomb shelters in the Golan Heights have been activated and opened by orders of the Israeli Defense Forces following Iranian troop movements in Syria. Iran did not need intercontinental missiles to reach Israel - it needed them to hit the United States. On April 30, Israel was said to have struck government outposts in northern Syria, killing more than a dozen pro-government fighters, many of them Iranians.
Trump said on Tuesday he was withdrawing the United States from the worldwide nuclear deal with Iran, arguing the deal provided Tehran generous sanctions relief without imposing tough enough limits on its nuclear program or other "sinister" activities.
In February, Israel shot down what it said was an armed Iranian drone that entered Israeli airspace.
Israel describes Iran as its biggest threat and Hezbollah as the biggest threat on its borders.
Fiscal stimulus coming from the December tax cuts and increasing government spending is likely a major factor behind the strength. Orders for nondefense capital goods minus aircraft fell a revised 0.4% during March, more than the originally reported 0.1% drop.
About 14,000 customers of Hawaii Electric Light lost power immediately after Friday's 6.9 magnitude quake. Exposure to the gas can cause irritation or burns, sore throats, runny noses, burning eyes and coughing.
In a quick demo on stage, it appears Smart Compose is similar to the Auto Complete feature Google uses for online searches. This means users can now send money to "anyone with an email address" directly within the Gmail application.
Shahid Khaqan Abbasi, the prime minister, condemned the attack as Pakistan prepares for federal elections expected this summer. Police had increased security at the hospital and high-ups visited the medical facility to check the security arrangements.
We're looking to gain respect, and we've been given an opportunity. "But we can't make it bigger than a game". The sounds of celebration from the Capitals' dressing room in Pittsburgh echoed through the arena hallways.
Cyberbullying is expected to be part of the first lady's platform and Sanders said Melania Trump "sees it as an important issue". The campaign will focus on the well-being of children, fighting the opioid epidemic and social media use.
After protracted negotiations, management last week offered a 2% pay rise this year and an additional 5% over 2019-2021. France's economy minister on Sunday warned that the survival of Air France was now in the balance.
What does the rear camera have to do with Face ID? The wide angle did those who worked and is joined to the front-facing camera. Further, if it fails in this test, the employee has to eventually replace the whole unit with a new device for the consumer.
Since 2002, the first Saturday of May has been dubbed Free Comic Book Day . "It is our biggest day of the year". Popular series available this year include Pokemon, Doctor Who , SpongeBob, and Star Wars.
Gaza blast kills six Hamas gunmen
He said the men had been close to the border fence, but that he was not sure if they actually crossed into Israel. The protests have seen thousands gather to demand access to their families' lost homes or lands, now in Israel.
Lebanon Elections Syria Shadow
There are 583 candidates competing for 128 parliamentary seats, evenly split by law between Christian and Muslim candidates. While many polling stations faced similar issues of long queues, others appeared to be coping easily with the voters.
Mourinho green light for Man Utd to sell Martial
And now, the Red Devils seem to be preparing yet another swap deal, this time involving a midfielder from London giants Chelsea . Anthony Martial has failed to hold down a regular starting spot under Jose Mourinho in the past two seasons.