Putin says Russian "harsh and decisive" military operation in Crimea was necessary to prevent "tragic events that we now see in Donbass.

There is just one problem:

GRU started occupation of Crimea in February 2014 and conducted "referendum" in March 2014.

First FSB armed group lead by Girkin entered Donbass in April 2014, two months *after* GRU operation in Crimea.