The U.S. has begun an aggressive new push to inflict pain on Russia’s economy and especially its oligarchs with the intent of thwarting the Kremlin’s invasion of Ukraine.

The Justice Department says two businessmen have been charged with trying to conceal a sanctioned Russian oligarch’s ownership of a luxury yacht seized in Spain last year by the U.S. government.

U.S. federal agents have simultaneously searched three properties linked to a billionaire Russian oligarch whose $120 million yacht was seized in April.

U.S. authorities say a superyacht owned by a Russian oligarch previously sanctioned for alleged money laundering has been seized by law enforcement in Fiji.

The Justice Department has charged a Russian oligarch with sanctions violations and has taken down a cybercrime operation controlled by a Russian military intelligence agency.

The U.S. government has seized a 254-foot yacht in Spain owned by an oligarch with close ties to Russian President Vladimir Putin.

Ukraine says a fourth Russian general has been killed in the fighting.

Israel is grappling with how to deal with dozens of Jewish Russian oligarchs as Western nations step up sanctions on businesspeople with ties to Russian President Vladimir Putin.