Russia unleashes fresh airstrikes on Ukraine.

Editors note: this is a developing story. Ukraine's air force warned early on Jan.

8 that Russian Su-35 bomber aircraft were operating just north of the border with Russia and urged residents to take missile threats seriously. Earlier on Jan.

8, the air force said at least 13 heavy bomber aircraft took off from an airfield in Murmask Oblast in Russia. Mig-31k aircraft were also reported to have taken off from Savasleyka in the Nizhny Novgorod Region in Russia. At about 6:00am officials said a Russian missile was detected over Sumy Oblast and heading towards Poltava Oblast.

Missiles were aimed at Kyiv from southern direction.