A convoy of 262 Russian trucks rolled toward the Ukrainian border on Tuesday as Kiev vowed to block the aid mission from its territory over fears it was a ploy to bolster pro-Kremlin rebels.
Canada says it is sending non-lethal military equipment to Ukraine to help the country protect its eastern border against Russia.
Russian President Vladimir Putin on Wednesday hit back hard against countries that have imposed sanctions over the Ukraine crisis, ordering trade cuts that an official said would include a ban on all imports of agricultural products from the United States.
Poles are posting photos of themselves with apples online along with mocking comments to protest a Russian ban on Polish food.
Senior U.S. intelligence officials said Tuesday that Russia was responsible for “creating the conditions” that led to the shooting down of Malaysia Airlines Flight 17, but they offered no evidence of direct Russian government involvement.