Ukraine: Several explosions rock Kyiv, says mayor

Ukrainian media and Reuters report explosions were heard in Kyiv early Sunday. The reports were confirmed on Telegram by Kyiv mayor Vitali Klitschko.

Klitschko wrote, "Several explosions in Darnytskyi and Dniprovskyi districts of the capital."

Hromadske Radio journalists reported "black smoke seen this morning within Kyiv boundaries, or in close proximity to Kyiv."