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Two
Ukrainian boxing world champions have joined what is
the greatest fight of their lives. The two are brothers, and they have vowed to take up
to help defend the Ukrainian
Kyiv. Vitali Klitschko, 50, is the current
of Kyiv. He retired from a
career in boxing in 2013, having been heavyweight champion for over a
. He told reporters that he would fight. He said: "I don't have another choice. I have to do that. I'll be fighting. It's already a
war." Vitali's brother Wladimir, 45, dominated the heavyweight and superheavyweight
for 15 years. He tweeted: "Destruction and death come upon us....We will defend ourselves with all our
and fight for freedom and democracy."