US President Joe Biden has said that he would extend his support to Ukraine in the form of “weapons, food, and money” as Kyiv continues to resist Russia’s offensive, which has entered the 20th day.

The US President also expressed his willingness to welcome the refugees with “open arms” as Ukrainians continue to flee the war-torn nation.

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In a tweet Biden said, “We will make sure Ukraine has weapons to defend against the invading Russian force. We will send money and food and aid to save Ukrainian lives. We will welcome Ukrainian refugees with open arms (sic).”

The President’s remark came after Britain said Russia could be planning to use chemical or biological weapons in Ukraine in response to a staged fake attack on Russian troops.

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According to various news reports, Moscow has sought military equipment from China in its invasion of Ukraine even as Beijing dismissed it as “disinformation”. Holding “intense talks” – that continued for seven hours – on Monday, the United States warned China against helping Moscow in its invasion.

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Earlier, the US had provided Ukraine with $350 million in additional military equipment to fight off Russia’s onslaught.

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Russia’s invasion of Ukraine, which began on February 24, has killed many, displaced more than 2 million people, and raised fears of a wider confrontation between the Kremlin and Washington, the world’s two biggest nuclear powers.