The governor said that the list of the injured victims included three children and some 16 people were hospitalized.
The official said that the afternoon strike against the city dealt damage to several buildings, adding that a special commission will inspect the site of the attack on Sept. 23 to assess the full extent of the destruction.
Explosions were heard in Kremenchuk at around 5:30 p.m. local time, Ukrainian news outlet Suspilne reported.
Lunin said that air defenses shot down one missile over the city, but did not specify the number of launched missiles.
Kremenchuk, home to 219,000 people, lies several hundred kilometers away from the front lines and some 330 kilometers south of Kyiv.