The US’s decision to send more military aid to Ukraine “increases the danger of a direct military clash” between Russia and the West, Moscow has warned.
Russia’s ambassador to the US, Anatoly Antonov, said it was an “immediate threat” to Moscow, describing the US as “a participant of the conflict”.
Earlier, the US announced another $625m (£547m) in military aid to Ukraine.
Advanced US weaponry has been credited with helping Ukraine build momentum against occupying Russian forces.
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