BBC News. I'm John Shea.
The G7 group of leading industrialized countries and the European Union are to strip Russia of trade benefits to isolate Moscow further over the war in Ukraine.
The latest measures will allow bans or punitive tariffs to be imposed on Russian exports.
President Biden said Vladimir Putin must pay the price for aggression.
The UN disarmament chief has dismissed allegations by Russia that Ukraine is trying to develop a biological weapon with the help of the United States.
Izumi Nakamitsu told the Security Council there was no evidence of such activity.
Russia's envoy told the gathering there was a network of biological research centers in Ukraine.
Ukrainian officials say more than 1,500 civilians have been killed in the besieged city of Mariupol since Russian forces began their bombardment.
A spokesman in the city for the International Red Cross has described appalling conditions there.
Ukraine has accused Russian forces of kidnapping the mayor of the southeastern city of Melitopol.
In a statement, the Ukraine Foreign Ministry said Ivan Fedorov had been abducted after being accused by the Russians of terrorism.
The U.S. State Department says any Russian deployment of Syrian fighters in Ukraine would mark a further escalation of Moscow's unjustified and uNPRovoked aggression.
A spokesman said it would also show that President Putin had made fundamental miscalculations in choosing the path of war over diplomacy.
The United States has imposed sanctions on individuals and entities in Russia it accuses of supporting North Korea's ballistic missile program.
The measures were announced by the Treasury in response to reports that Pyongyang has been testing a powerful new long-range missile system in breach of UN prohibitions.
And in other news, a former student leader Gabriel Boric has been sworn in as President of Chile.
Aged 36, he's the country's youngest head of state.
He's promised to overhaul Chile's economy.