Russia’s President Putin has raised the stakes yet further by putting his nuclear forces on “high alert” as Ukrainian forces claim to have fought off an attack to seize Kharkiv after ferocious fighting in the country’s second city on Sunday. The war, which has sent a seismic shudder across the world entered a fourth day, has seen street fighting in Kharkiv resulting in Ukraine’s forces managing to resist the advance of Moscow’s troops, governor Oleh Synyehubov claimed. “Control over Kharkiv is completely ours! The city is being completely cleansed of the enemy,” he wrote on Telegram. Read more about Russia's invasion of Ukraine here: https://www.independent.co.uk/news/wo... Like us on Facebook: / theindependentonline Follow us on Twitter: / independent Follow us on Instagram: / the.independent Subscribe to Independent Premium for exclusive content and live events: https://bit.ly/2MiOONB