Kyiv mayor Vitali Klitschko and his brother Wladimir Klitschko speak to the press at the Madrid Summit about Ukraine, calling on NATO to take action against Russia.

Courtesy of Alex Tran

Kyiv mayor Vitali Klitschko and his brother Wladimir Klitschko speak to the press at the Madrid Summit about Ukraine, calling on NATO to take action against Russia. Courtesy of Alex Tran