A Ukrainian counter-attack in the north continues to disrupt Russian supply lines.

Read here Negotiations on evacuation of badly wounded from Azovstal are ongoing

Russian forces "did not conduct offensive operations in the Kharkiv direction. The main efforts were focused on preventing the advance of our troops in the area of ​​the settlement of Vesele," the Ukrainian General Staff said on Friday.

The images from Black Sky, taken on May 12, show collapsed sections of the bridges crossing the Siverskyi Donets River near the villages of Rubizhne and Staryi Saltiv, which are about 10 miles south of the Russian border, CNN reported.

Another satellite image, taken on May 8, by the European Space Agency shows the bridge across the Pecheneg hydroelectric power station — the nearest bridge to the south — has also been blown up.

There are only two smaller bridges to the north, in the currently Russian-occupied villages of Ohirtseve and Buhrukuvatka, which cross the river. Their current status is unknown, as clouds have obscured any recent satellite imaging.