Russia says three people killed and 10 injured in attack on Rostov region, while Ukraine says attack on Kyiv killed six.

Russia says three people killed and 10 injured in attack on Rostov region, while Ukraine says attack on Kyiv killed two.

Attacks come as Zelenskyy said he plans to discuss sensitive issues from US's peace proposal with Trump.

Russia says three people killed and 10 injured in attack on Rostov region, while Ukraine says attack on Kyiv killed six.

Russia says three people killed and 10 injured in attack on Rostov region, while Ukraine says attack on Kyiv killed six.

Russia says three people killed and 10 injured in attack on Rostov region, while Ukraine says attack on Kyiv killed six.

Russia says three people killed and 10 injured in attack on Rostov region, while Ukraine says attack on Kyiv killed six.

Russia says three people killed and 10 injured in attack on Rostov region, while Ukraine says attack on Kyiv killed six.

Tit-for-tat strikes as Russia accuses European nations of trying to scupper US-backed ceasefire negotiations.