Summary

Russian forces have seized the largest nuclear plant in Europe, Ukrainian authorities say

It comes hours after a fire broke out at the Zaporizhzhia plant following a Russian attack

The fire has since been extinguished, and officials say the site is safe

Western powers have condemned Russia for what they called a "horrific" and "reckless" act

Meanwhile, the strategic port city of Mariupol has been under consistent attack

Russia has so far seized one city - Kherson in southern Ukraine

It invaded its neighbour on three fronts - the north, east, and south - and fighting is continuing around Ukraine