Former world heavyweight champion Vitali Klitschko has said he will follow his brother and take up arms to defend Ukraine from Russian forces.
Vitali Klitschko, famous for his dramatic fight with the UK's Lennon Lewis, has said that he is now ready to follow his famous brother Wladimir, the Mayor of Ukraine, and join Ukraine’s reserve army.
Putin's troops are on the outskirts of the capital following their invasion during the early hours of Thursday.