The Ukrainian State Security Service (SBU) presented new evidence Tuesday it said proved that Kyiv's main children's hospital had been directly hit by a Russian Kh-101 cruise missile.

"The experts' conclusions are unequivocal – it was a direct strike," the SBU said on Telegram.

It shared images of a missile engine fragment it said was found at the site. The SBU added that analysis of trajectory and nature of damage caused prove the was a direct strike.