The attack, one of the largest in recent weeks, marks a renewed escalation in Russia’s night-time air raids as the war enters its fourth year.

The overnight attack was one of the largest on Ukraine and included strikes in the western part of the country, which is hit less often.

Russia launched the most extensive aerial bombardment of Ukraine since its full-scale invasion, according to Kyiv, signalling a sharp escalation in Moscow’s campaign and further undermining fragile hopes for a negotiated resolution to the war now in its fourth year.