Huge explosions shook Kyiv and air raid sirens sounded across Ukraine on Thursday morning during a mass missile attack.
It comes 24 hours after commitments were made by the US and Germany to send advanced battle tanks.
There were reports of at least one person killed in the capital, Kyiv.
A total of 30 missiles were said to have been launched against targets in the war-torn country, with Ukraine’s air defences having also shot down 24 Iranian-made Shahed ‘kamikaze’ drones overnight.
Germany has confirmed it will make 14 Leopard 2A6 tanks available for Ukraine’s war effort.
Joe Biden also approved sending 31 M1 Abrams tanks to Ukraine.
Ukraine’s president, Volodymyr Zelenskiy, hailed the promise of modern tanks for Ukraine