Obama says G7 to discuss Russian aggression in Ukraine (7/6/15) | Reuters
Contrary to what is implied by the article's headline, its content does not explicitly claim that Russia is guilty of aggression against Ukraine, let alone provide proof. Rather than making such a claim, the content of the article merely reports President Barack Obama's utterances about the Ukraine conflict:
U.S. President Barack Obama said ... that leaders would discuss how to stand up to Russia's "aggression" in Ukraine ...
Note the quote marks around the word "aggression". It's as if 'reporters' Noah Barkin, Michelle Martin and Paul Carrel did not want to be seen, by more conscionable readers, to be personally endorsing the lies coming out of Obama's mouth. It's unfortunate that they 'neglected' to also include quote marks in the heading. The above lie is repeated, coming directly out out of President Obama's own mouth, in the next paragraph: