Ukraine's allies have pledged to send more weapons to help it defend against a renewed Russian offensive.
The US and other allies vowed to send artillery, anti-tank and air defence aid to Kyiv, during a 90-minute video call.
Ukraine says it needs the weapons to help defend itself as Russia launches a new campaign in the country's east.
Ukraine leader Volodymyr Zelensky says clashes there have marked what he said was the start of the "battle for the Donbas".
Speaking to reporters in New Hampshire, US president Joe Biden confirmed that Washington would also be sending Ukraine more artillery - heavy guns deployed in land warfare.
The White House says the allies also discussed "coordinated efforts to impose severe economic costs to hold Russia accountable.
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