President of the United States – Joe Biden has warned of a “World War” as fears of a Russian invasion on Ukraine mounts. 

“That’s a world war. When Americans and Russians start shooting one another, we’re in a very different world,” US President Joe Biden said. 

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Moreover, Biden has asked US citizens in Ukraine to leave the country ‘immediately’. 

“American citizens should leave now,” Biden said. 

Biden reiterated that he would not send US troops to Ukraine, even to rescue Americans in case of a Russian invasion. 

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He said: “We are dealing with one of the largest armies in the world. It’s a very different situation and things could go crazy quickly.” 

According to reports, Russia has mobilised over 1,30,000 troops at Belarus (an ex-soviet state) that has borders with Ukraine. 

Moreover, Russia rolled its tanks across Belarus for live-fire drills. 

Meanwhile, North Atlantic Treaty Organisation (NATO), a strategic military alliance of 22 countries, has warned Russia of any misadventure. 

“Russia should not underestimate our unity and determination as a partner in the EU and as an ally in NATO,” German Chancellor Olaf Scholz warned.