The tough talk follows a pair of attacks last week that shocked Israelis. On Friday, suspected Jewish extremists set fire to a Palestinian home in the West Bank and burned a toddler to death. On Thursday, an ultra-Orthodox Jew stabbed revelers at a gay pride parade in Jerusalem, and a 16-year-old girl wounded in that attack died of her wounds Sunday.
Israel's security cabinet issued a statement Sunday night saying it had directed the security agencies "to take all necessary steps to apprehend those responsible and prevent similar acts."
At his weekly government meeting, Netanyahu said Israel was united against "the criminals among our people." Israel is determined to fight "hate, fanaticism and terrorism from whatever side," Netanyahu said. "This is a matter of basic humanity and is at the foundation of our enlightened Jewish values," he said.
Thousands of Israelis took to the streets over the weekend to protest the attacks and warn against a radicalized and violent fringe growing from within the country's religious community.