Russia-Ukraine latest news: missile strikes on oil facilities reported as some Russian banks cut off from Swift system – live

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Reuters reports that President Joe Biden has instructed the US state department to release $350m in military aid to Ukraine as it struggles to repulse a Russian invasion.

In a memorandum to the secretary of state, Antony Blinken, Biden directed that $350m allocated through the Foreign Assistance Act be designated for Ukraine's defence.

Fierce fighting has broken out in Kyiv as Russian forces tried to push their way towards the city centre and were met with resistance from the Ukrainian military.

Throughout Friday night, explosions rocked the capital. Artillery fire could be heard in the streets and as dawn broke, a post on the Ukrainian Armed Forces' Facebook page said active combat" was taking place in the city.