A view shows debris of a residential block of a tram depot hit by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv, Ukraine. Photo - Reuters.

A view shows debris of a residential block of a tram depot hit by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv, Ukraine. Photo - Reuters.

Local residents look at debris of a residential block of a tram depot hit by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv. Photo - Reuters.

A view shows debris of a residential block of a tram depot hit by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv, Ukraine. Photo - Reuters.

Rescuers carry a person released from debris of a residential building destroyed by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv, Ukraine. Photo - Reuters.

Rescuers work at the site of a residential building destroyed by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv, Ukraine. Photo - Reuters.

Rescuers work at the site of a residential building destroyed by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv, Ukraine. Photo - Reuters.

Rescuers carry a person released from a debris a residential building destroyed by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv. Photo - Reuters.

Rescuers work at the site of a residential building destroyed by a Russian missile strike, amid Russia's attack on Ukraine, in Kharkiv, Ukraine. Photo - Reuters.