Kyiv officials are warning residents that street fighting is underway against Russian forces, and they are urging people to seek shelter.
The warning issued Saturday advised residents to remain in shelters, to avoid going near windows or on balconies, and to take precautions against being hit by debris or bullets.
The Ukrainian military said a battle was underway near a military unit to the west of the city center.
Kyiv Mayor Vitaly Klitschko said new explosions shook the area near a major power plant that the Russians were trying to attack.
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