Moscow's forces made gains in the Kharkiv and Zaporizhzhia regions, according to the Institute for the Study of War (ISW).

For months the talk in Kyiv was of a much-anticipated Russian offensive that would aim to gobble up more of Ukraine’s eastern regions. So far, it’s been underwhelming – but the Russians have made some gains and vastly reinforced their troop numbers in some areas.

The overnight attack was one of the largest on Ukraine and included strikes in the western part of the country, which is hit less often.

Officials say a Ukrainian drone has struck an industrial plant deep inside Russia, injuring several people and causing a fire