A drone was launched toward the home of Israeli Prime Minister Benjamin Netanyahu in the northern Israeli city of Caesarea on Saturday, his spokesman said, adding that the prime minister was not nearby and he was not there were no victims.
Earlier, the Israeli military said a drone was launched from Lebanon and hit a building. It was not immediately clear what it was.
Two other drones that crossed Israeli territory were intercepted, the army said.
No casualties were reported, according to Israeli ambulance services, and police said explosions were heard in Caesarea, a coastal town where Netanyahu has a vacation home.
The drone attack was not immediately claimed by the Iranian-backed Lebanese group Hezbollah, which has exchanged fire with Israel since last October, or by any other militant group.