In the wake of Russia's flat denials of its involvement in the Ukraine conflict, Britain has offered President Vladimir Putin a "crash-course" on spotting its own military tanks.
A leaflet circulated online by the British Embassy in Ukraine describes the key characteristics of tanks built for the Russian military, reported News.com.au.
As Ukraine never possessed such tanks therefore, their presence on the other side of the border confirms Russia's support for separatists in war-torn Eastern Ukraine.
The leaflet provides several such evidences by attaching a collection of verified media images of these tanks on the wrong side of the border.