The U.S. Embassy in Kyiv issued a security alert for citizens in Ukraine on May 23 regarding a "potentially significant air attack over the next 24 hours," UNN reports.
The U.S. Embassy in Kyiv has received information regarding a potentially significant air attack that could occur at any time within the next 24 hours. The Embassy, as always, recommends that U.S. citizens be prepared to immediately take shelter in the event of an air raid alert,
As reported, this applies to "Ukraine, all areas."
As a reminder
Earlier on May 23, President Volodymyr Zelenskyy reported that Ukraine had received and is verifying data regarding Russian preparations for a strike using the "Oreshnik" missile, and that signs of preparations for a combined enemy strike on the territory of Ukraine are being observed, emphasizing that it is important to respond to alerts starting this evening.