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Iran's Supreme Leader Ayatollah Khamenei. Photo: Iranian Leader Press Office/Getty Images

Iran's Supreme Leader Ayatollah Khamenei pledged to retaliate one day after the assassination of Mohsen Fakhrizadeh, the nation's top nuclear scientist.

What he's saying: Khamenei wrote on Twitter Saturday to call on "relevant administrators" to prosecute the "brutal mercenaries" behind the attack and continue the "scientific efforts" of Fakhrizadeh, who Khamenei referred to as a "martyr."

  • He noted that Iran's first priority was the "definitive punishment of the perpetrators and those who ordered it," but did not elaborate, per AP.

Israel didn’t take responsibility for the assassination, but the New York Times reported it was Israeli agents who killed Fakhrizade, citing intelligence officials. Iran blamed Israel for the assassination and threatened revenge

  • "Our people are wiser than to fall in the trap of the Zionist regime (Israel) ... Iran will surely respond to the martyrdom of our scientist at the proper time," said President Hassan Rouhani in a cabinet meeting on Saturday, according to NBC News.
  • “We will respond to the assassination of Martyr Fakhrizadeh in a proper time,” Rouhani said, per AP. “The Iranian nation is smarter than falling into the trap of the Zionists. They are thinking to create chaos.”

Go deeper: Iran confirms assassination of top nuclear scientist Mohsen Fakhrizadhe

Go deeper

Jan 21, 2021 - World

Netanyahu and Israel reluctantly adjust to a post-Trump Washington

Netanyahu (R) and Biden in 2010. Photo: Avi Ohayon/GPO via Getty

Prime Minister Benjamin Netanyahu and his close aides are very nervous about the transition to a new U.S. administration after a four-year honeymoon with Donald Trump. One Israeli official told me it felt like going through detox.

What he's saying: Netanyahu congratulated Biden minutes after he was sworn in, saying in a statement that he looked forward to working together to "continue expanding peace between Israel and the Arab world and to confront common challenges, chief among them the threat posed by Iran."

Biden to meet with U.S. financial regulators on Monday

Photo: Drew Angerer via Getty Images

President Biden will meet with financial regulators on Monday.

Driving the news: "The meeting will cover regulatory priorities including climate-related financial risk and agency actions to promote financial inclusion and to responsibly increase access to credit," said press secretary Jen Psaki, according to a press pool report.