VLADIMIR Putin's forces have reportedly made a sudden breakthrough in Ukraine's front lines - just days before a showdown with Trump.

Around 110,000 Russian troops reportedly made the surprise thrust near the coal mining town of Dobropillia - marking the most dramatic advancement this year.

The shocking development could give Putin an upper hand when he meets the US President for crunch talks on Friday.

The move could even be designed to increase pressure on Kyiv to give up land.

Bloodthirsty Putin's forces have reportedly advanced by at least 10km north in two prongs in recent days, as part of their attempt to capture the entire Donetsk region.

Russian forces had surged towards three villages on a section of the frontline near Kostyantynivka and Pokrovsk, the General Staff of the Arm

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