A Russian missile strike in Ukraine's southern port of Odesa early on Friday killed at least 17 people and wounding dozens, Ukrainian authorities said, the latest in a spate of deadly missile strikes.

With its ground forces concentrated in Ukraine's eastern industrial region of Donbas, Russia has more than doubled the number of missile strikes around the country in the past two weeks, using inaccurate Soviet-era missiles for more than half of the attacks, according to a Ukrainian brigadier general.

One missile struck a nine-story building in the town of Bilhorod-Dnistrovskyi at about 1 a.m. (22:00 GMT Thursday), the Ukrainian emergencies ministry said. It also caused a fire in an attached store building.