Three suspects were arrested, Israeli police said Sunday morning, after two flares landed near Prime Minister Benjamin Netanyahu's residence in the central town of Caesarea.

"Three suspects were arrested overnight for their involvement in the incident" that took place Saturday evening, the police said in a statement, adding that the suspects would be interrogated jointly with the Shin Bet internal security agency.

The statement added that a court ordered a gag on publishing any details of the investigation or the suspects' identities for 30 days.

Two flares had landed near Netanyahu's residence in Caesarea on Saturday evening in what Shin Bet described as a "serious incident", though the premier was not present there at the time.

The speaker of Israel's parliament, Amir Ohana, accused anti-government protesters of being behind the incident.

"The writing was on the walls, on the streets, in incendiary messages and in demonstrations," he said, referring to regular anti-government protests that erupted in early 2023.

Former war cabinet member and opposition figure Benny Gantz wrote on X: "If the suspicions are true and activists are behind the firing of flares at the premier's residence, it should be said clearly: this is not protest, this is terrorism."

In the nine months leading up to the Oct. 7, 2023 Hamas attack, Israel saw mass protests over a divisive judicial overhaul introduced by Netanyahu's far-right government whose opponents called a threat to Israeli democracy.

"It is not possible for the Prime Minister of Israel, who is threatened by Iran and its proxies who are trying to assassinate him, to be subject to the same threats from home," Katz said.

He also called on security and judicial agencies to take the necessary steps.

Israel's President Isaac Herzog condemned the incident in a post on X and said an investigation was underway.

"The incitement against Prime Minister Benjamin Netanyahu crosses all boundaries. Throwing a flash bomb into his house tonight is crossing another red line," Security Minister Itamar Ben-Gvir also said on X.

In October, a drone was launched towards the premier's home in Caesarea, without causing any harm. Lebanon's Hezbollah claimed responsibility for the attack.

To the north, Israeli forces have been trading fire with Lebanon's armed Hezbollah group since October 2023. There was no immediate claim of responsibility for Saturday's incident.