Hamburg Mayor Peter Tschentscher visited Kiev on Monday in a show of support for the Ukrainian capital. The German politician arrived in Kiev by train from Poland early on Monday, following an invitation from Mayor Vitali Klitschko. The trip had not been previously announced due to security reasons. In April 2022, two months after the outbreak of the current conflict, the two mayors signed a “Pact for Solidarity and the Future.” Hamburg continues to stand firm with the people of Kiev, Tschentscher wrote on X, formerly Twitter. “Our support must continue until the war is over and reconstruction…