Russia's control of the town of Dvorichna allows them to accumulate and deploy forces across the river to the bridgehead.

The Russians tried once again to advance in the Sumy region. However, they did not succeed in doing so as they had planned, ...

Russian troops continue to try to advance deeper into the Sumy region, using small infantry assault groups, according to the ...

Assaults in Russia and Ukraine have shown major military powers that they are unprepared for evolving forms of warfare, and ...

Our security and defence analyst Michael Clarke has answered your questions on the Ukraine war in his weekly Q&A. Catch up below - and submit your question in the box to join in next week's edition.