Russian attacks have killed four people across Ukraine as the aerial war between Moscow and Kyiv intensifies Russian attacks on Ukraine are escalating and becoming more brutal, President Volodymyr Zelenskiy says, after the countries swapped more deadly strikes. Key points and original sources are listed below.

• Russian attacks have killed four people across Ukraine as the aerial war between Moscow and Kyiv intensifiesS1S3

• Russian attacks on Ukraine are escalating and becoming more brutal, President Volodymyr Zelenskiy says, after the countries swapped more deadly strikes.S2