 NPR's Joanna Kakisis reports from Lviv, Ukraine is pleading for more air defense systems from Western allies. The strikes killed several people in Ukraine's capital, Kyiv, and also struck a major children's hospital. Kyiv Mayor Vitaly Klitschko said the patients there have been evacuated to another health care facility. Ukraine's President Volodymyr Zelensky posted a video to social media showing gazed bystanders outside the ruins of the hospital. Blood was visible inside.