Here is the MoD’s latest analysis:

Read more: Russia is moving troops into Ukraine from Georgia, - US defense official

-Russia continues to besiege a number of major Ukrainian cities including Kharkiv, Chernihiv and Mariupol.

-Russian forces are proving reluctant to engage in large-scale urban infantry operations, rather preferring to rely on the indiscriminate use of air and artillery bombardments in an attempt to demoralise defending forces.

-It is likely Russia will continue to use its heavy firepower on urban areas as it looks to limit its own already considerable losses, at the cost of further civilian casualties.