Russia has been forced to merge and redeploy depleted and disparate units from failed advances in northeast Ukraine, a British military update said on Saturday. 'Shortcomings in Russian tactical coordination remain. A lack of unit-level skills and inconsistent air support have left Russia unable to fully leverage its combat mass, despite localised improvements,' the military tweeted. -snip- Ukraine continues to carry out attacks behind Russian lines to cut off vital supply routes, with a fuel dump in the Donetsk region catching fire today. Kyiv has not acknowledged carrying out any of the attacks - which have also hit railway bridges...