Hayden Panettiere and Wladimir Klitschko welcomed daughter Kaya before eventually splitting. Look back at their relationship history and more here.

"Actress Hayden Panettiere opens up about her painful custody battle with ex. Her emotional journey will leave you speechless.

Hayden Panettiere’s dating history includes a former costar and boxing champion. Panettiere made headlines for her romance with Heroes costar Milo Ventimiglia due to their 12-year age gap. The pair dated from 2007 to 2009.

Get the latest Boxing news on Wladimir Klitschko. Stay up to date with Boxing player news, rumors, updates, analysis, social feeds, and more at FOX Sports.

Vitali Klitschko retired from professional boxing in 2013. But he has yet to stop fighting. Now the Mayor of Kyiv, Ukraine’s capital city, Klitschko is a key figure in the Russo-Ukrainian War–the most significant European crisis since World War II.

Add Yahoo as a preferred source to see more of our stories on Google. Mayor of Kiev Vitali Klitschko speaks in the city council. Hendrik Schmidt/dpa Kiev's Mayor Vitali Klitschko has urgently requested further arms supplies from Ukraine's allies to stave ...

Kyiv mayor Vitali Klitschko visited the residential site of a deadly Russian attack in the Ukrainian capital after a huge wave of Russian strikes targeted the city.

Friday, May 15, has been declared a Day of Mourning in Kyiv in memory of the victims of the enemy’s most massive attack on the capital.