Air-raid sirens sounded all over Ukraine
Українська правда
Air raid sirens were sounded in all oblasts of Ukraine.
Source: alerts.in.ua map
Details: An air-raid siren started in southern oblasts first.
It was sounded in Kyiv Oblast at 00:34, and in Kyiv city at 00:35.
https://www.pravda.com.ua/eng/news/2023/01/1/7383171/
Source: pravda.com.ua