Explosions rock Ukrainian cities as Russia launches missiles

In Kyiv, air defence systems were activated to fend off the ongoing missile attack, according to the regional administration

People have been using underground stations as shelters during rocket attacks (Efrem Lukatsky/AP)

Several regions of Ukraine, including its capital Kyiv, were facing a massive Russian missile attack on Thursday, the latest in a series targeting national infrastructure.

Air raid sirens sounded across the country.