MOSCOW

Ukrainian authorities declared an air raid alert in Kyiv for the fourth time on Wednesday, according to the official public notification resource.

Sirens also sounded in several regions, including Vinnytsia, Zhytomyr, Poltava, Rivne, Sumy, Cherkasy, and Chernihiv.

Earlier, the US Embassy in Kyiv announced it would remain closed on Nov. 20 due to security threats, followed by similar announcements from the Greek, Spanish, and Italian embassies.

Meanwhile, an air raid alert was also reported in Russia's Krasnodar region, near the Ukrainian border.