U.S. says Russia may seek to use chemical, biological weapons in Ukraine

The Biden administration publicly warned Wednesday that Russia might seek to use chemical or biological weapons in Ukraine as the White House rejected Russian claims of illegal chemical weapons development in the country it has invaded.

This week, Russian Foreign Ministry spokeswoman Maria Zakharovawithout evidenceaccused Ukraine of running chemical and biological weapons labs in its territory, withU.S. support.

White House press secretary Jen Psaki called Russia's claim "preposterous" and said it could be part of an attempt by Russia to lay the groundwork for itself using such weapons of mass destruction against Ukraine.

"This is all an obvious ploy by Russia to try to justify its further premeditated, unprovoked, and unjustified attack on Ukraine," Psaki tweeted Wednesday.

"Now that Russia has made these false claims, and China has seemingly endorsed this propaganda, we should all be on the lookout for Russia to possibly use chemical or biological weapons in Ukraine, or to create a false flag operation using them."

The U.S. for months has warned about Russian "false flag" operations to create a pretext for the invasion. Wednesday's warning suggested Russia might seek to create a pretence for escalating the two-week old conflict that has seen the Russian offensive slowed by stronger-than-expected Ukrainian defenders, but not stopped.

Dmitry Chumakov, a Russian deputy UNambassador, repeated the accusation Wednesday, urging Western media to cover "the news about secret biological laboratories in Ukraine."

Pentagon press secretary John Kirby on Wednesday called the Russian claim "a bunch of malarkey."

Prior use of chemical weapons

The international community for years has assessed that Russia has used chemical weapons before in carrying out assassination attempts against Putin enemies like Alexei Navalny and former spy Sergei Skripal. Russia also supports the Assad government in Syria, which has used chemical weapons against its people in a decade-long civil war.

WATCH: Russia's airstrike on maternity hospital an 'atrocity,' says Zelensky:

Russian airstrike on maternity hospital 'atrocity,' says Zelensky

3 years ago

Duration 1:36

A maternity hospital in the besieged southern city of Mariupol has been severely damaged after a Russian airstrike, says Ukraine.

Asked by a Russian journalist about the claims, United Nations spokesman Stephane Dujarric said:"At this point have no information to confirm these reports or these allegations about these kinds of labs."

"Our colleagues at the World Health Organization, who have been working with the Ukrainian governments, said they are unaware of any activity on the part of the Ukrainian government which is inconsistent with its international treaty obligations, including on chemical weapons or biological weapons," Dujarric added.

Past disinformation efforts

Russia has a long history of spreading disinformation about U.S. biological weapons research. In the 1980s, Russian intelligence spread the conspiracy theory that the U.S. created HIV in a lab.

More recently, Russian state media have spread theories about dangerous research at labs in Ukraine and Georgia.

The conspiracy theory about U.S.-run labs in Ukraine has been picked up by Chinese state-controlled media and is now circulating in online message boards popular with COVID-19 conspiracy theorists and far-right groups in the U.S.

Filippa Lentzos, a senior lecturer in science and international security at King's College London, said there are no "U.S. labs" in Ukraine.

Instead, she said in an email, there are labs in the country that have received money through a U.S. Defence Department threat reduction program.

"These are public and animal health facilities that are owned and operated by Ukraine," she said.