A yellow (elevated threat) terrorist alert was issued for the Zaporizhia, Mykolaiv, Odesa, Sumy, Kharkiv, Kherson and Chernihiv regions.
A blue (potential threat) terrorist alert was issued for the Kyiv region and Kyiv, as well as for the Dnipropetrovsk, Zakarpattia, Rivne, Khmelnytsky, Cherkasy and Chernivtsi regions.
A gray (possible threat) terrorist alert - the lowest level - was issued for the Vinnytsia, Volyn, Zhytomyr, Ivano-Frankivsk, Kirovohrad, Lviv, Poltava and Ternopil regions, Interfax reports.
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