Remnants of a rocket were found in the Western Galilee near the northern Israeli city of Nahariya on Monday morning.
Three rockets are believed to have exploded in the Western Galilee Sunday evening, according to the IDF.
A red alert siren in the northern Israeli city of Nahariya, and its surroundings, ahead of the rockets.
According to the Lebanon-based Al-Mayadeen television network, a Hezbollah related media outlet, the rockets were launched from a village south of the city of Tyre, Lebanon.
There were no immediate reports of injuries or damage following the siren, yet local residents reported hearing sounds of the blast nearby.
Yaakov Lappin contributed to this report.