Kyiv Mayor Vitali Klitschko said a children's hospital had been damaged in the overnight strikes. Diplomatic efforts involving the U.S. Key points and original sources are listed below.

• Kyiv Mayor Vitali Klitschko said a children's hospital had been damaged in the overnight strikes.S1

• Diplomatic efforts involving the U.S. and Europe have so far failed to bring a lasting ceasefire in the warS2