A fuel storage depot in the eastern Ukrainian town of Novomoskovsk exploded on Sunday, killing one and injuring two, after earlier being hit with three Russian missiles, the head of the regional administration said in an online message.
Eleven people were injured in the strike itself, Valentyn Reznichenko had said on Saturday.
Firefighters were still trying to put out a fire from the missile strike, some 14 hours after the depot was hit, Reznichenko said early on Sunday.
Novomoskovsk lies just to the northeast of Dnipro, the regional capital.
Russian troops to advance towards Kharkiv
Meanwhile, the situation north of Kharkiv, Ukraine's second-largest city, is quite difficult as Russian forces have been trying to get closer to shell the city again, an official at Ukraine's interior ministry said on Sunday.
"Russia is trying to make Kharkiv a frontline city," Vadym Denysenko, an adviser to the interior minister, told Ukraine's national television.