A rocket fired from Lebanese territory hit northern Israel late Saturday, the army said on the 47th day of a war against the Islamist movement Hamas in and around Gaza.
"The rocket that was fired from Lebanon hit the Upper Galilee," the army said in a statement, correcting a previous communique that said the rocket had hit east of Acre.
There was no immediate claim of responsibility for the launch or reports of damage or injuries.
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A Lebanese security source said the rocket was fired from Dheira, three kilometres (nearly two miles) from the border with Israel.
The same source noted that Israeli helicopters were seen flying around the border area.
In mid-July, at least nine rockets were fired from Lebanon at the Jewish state, prompting Israel to retaliate with artillery fire.
Lebanese military officials had at the time said they believed the attacks were carried out by a small Palestinian group in an act of solidarity with Gazan militants.