Ukraine’s President Volodymyr Zelensky met US Secretary of State Antony Blinken and US Defense Secretary Lloyd Austin in Kyiv, his office said Sunday. It was the first meeting between Zelensky and US officials since the Russian invasion of Ukraine began on February 24. “Today the Ukrainian people are united and strong, and Ukraine-US friendship and partnership are stronger than ever!” Zelensky tweeted Sunday. Presidential aide Oleksiy Arestovych, speaking during an interview on YouTube earlier Sunday, confirmed that the meeting was ongoing. “Talking to the president. Maybe they can help.” he a…