Ammunition depot explodes in central Ukraine

A powerful explosion is seen in the ammunition depot at a military base in Kalynivka, west of Kiev, Ukraine, early Wednesday, Sept. 27, 2017. Ukrainian officials say they have evacuated more than 30,000 people after a fire and ammunition explosions broke out Tuesday, at the military base. [Photo AP/Efrem Lukatsky]

A powerful explosion is seen in the ammunition depot at a military base in Kalynivka, west of Kiev, Ukraine, early Wednesday, Sept. 27, 2017. More than 30,000 residents have been evacuated after ammunition depot exploded late Tuesday. [Photo AP/Efrem Lukatsky]

A woman and her pet dog wait for evacuation in the town of Kalynivka 20 kilometers (13 miles) from the site of the ammunition depot blast, west of Kiev, Ukraine Wednesday, Sept. 27, 2017. More than 30,000 residents have been evacuated after ammunition depot exploded late Tuesday. [Photo AP/Efrem Lukatsky]

Ukrainian army soldiers patrol a street in the town of Kalynivka 20 kilometers (13 miles) from the side of the ammunition depot blast site, west of Kiev, Ukraine Wednesday, Sept. 27, 2017. More than 30,000 residents have been evacuated after ammunition depot exploded late Tuesday.[Photo AP/Efrem Lukatsky]