The deaths were confirmed by the head of the Kyiv city military administration, Serhiy Popko.
Kyiv Mayor Vitali Klitschko reported that 11 people were injured, eight of whom were in the hospital.
Rescue efforts are ongoing at the site of the strike on the National Children's Hospital "Okhmatdyt," where people are helping to search for survivors amidst the rubble. Radio Svoboda published a video showing people assisting in the rescue efforts.
Darya Zarivna, Communications Adviser to the Head of the Office of the President of Ukraine, shared a photo of an injured child who is a patient at "Okhmatdyt."
She posted another photo showing young patients with IVs standing outside the bombed-out hospital building.
The State Emergency Service of Ukraine (SES) released images showing the aftermath of the massive Russian missile attack on Kyiv.