Ukraine war: Kharkiv fighting difficult but under control - Zelensky BBC.com'The world's fault': Zelenskyy speaks out amid Russian assault Yahoo! VoicesOpinion | Russia Has Opened Up a New Front. What Comes Next? The New York TimesIs Russia's assault on northeastern Ukraine already losing steam? Al Jazeera EnglishU.S. offers aid as Zelensky drops foreign trip due to Russian advance The Washington Post