Air-raid siren sounded over three hours on 31 DecemberThe head of the Mykolaiv OMA, Vitalii Kim reported that the Russians launched missiles at Ukraine.Source: Kim on Facebook; Air-Raid Alert MapQuote from Kim: "The invaders decided to try to ruin the day for us anyway.Details: At the time of writing, there were no alarms anywhere in Ukraine.Telegram channels that track missile strikes write that the Russians launched missiles by strategic aviation in radio silence mode.We have launched English Twitter!"