TOPSHOTS A pro-Russian rebel holds a rifle with the emblem of the unit "Black knife" that reads " For united Rus" as another rests at their position near the eastern Ukrainian vallage of Frunze, Lugansk region, on March 24, 2015. American lawmakers voted overwhelmingly to urge President Barack Obama to provide Ukraine with lethal weapons to defend itself against Russian "aggression." AFP PHOTO/ ZURAB JAVAKHADZE