In the aftermath of the strike, Volodymyr Zelenskiy called on the U.S. and Europe to get tough on Russia in response to what he described as terrorism.

At least 34 people have been killed, as the US envoy to Ukraine says the strikes cross "any lines of decency".

The missile strike Sunday was one of the deadliest single attacks on Ukraine this year, as diplomatic efforts led by the U.S. have yielded few results.