Loud explosions have been heard in central Kyiv on Tuesday morning, several media outlets report.
According to the news agency Reuters, shortly after 5 o'clock, what is described as a missile was seen in the air, followed by a powerful light and a loud bang.
It is still unclear if anything was hit or if the object was shot down by Ukrainian air defense.
The aftermath is heard several car alarms start.
CNN's team on site also testified that two loud bangs were heard in the central parts of the capital at 05:00.