"Russian forces have entered Ukraine," President Petro Poroshenko said on Aug. 28. Ukraine security spokesman later said two columns of tanks from Russia have entered a strategic town in the southeast.
Russia's War Against Ukraine
Mashable: Poroshenko says ‘Russian forces have entered Ukraine’
A tank with a flag of Novorossia (union of Donetsk people's republic and Lugansk people's republic) drives in central Donetsk late on August 23, 2014.
