The press center of the State Border Guard Service of Ukraine reported on Facebook.
"Russian military equipment, including armored vehicles, violated the state border in Chernihiv, Sumy, Luhansk and Kharkiv regions. In particular, in Chernihiv region, enemy vehicles crossed the checkpoints Senkivka and Hremiach and towards other directions,” the report says.
It is noted that the military offensive of Russian troops across the state border is preceded by artillery fire.
Most border units and border patrols of Luhansk, Sumy, Kharkiv, Chernihiv and Zhytomyr regions came under fire.
According to available information, a number of Ukrainian border guards were wounded.