Blinken visits Ukraine to tout US support for Kyiv’s fight against Russia’s advances

Read MoreU.S. Secretary of State Antony Blinken has arrived in Kyiv on an unannounced diplomatic mission to reassure Ukraine that it has American support as it struggles to defend against increasingly intense Russian attacksU.S. Secretary of State Antony Blinken has arrived in Kyiv on an unannounced diplomatic mission to reassure Ukraine that it has American support as it struggles to defend against increasingly intense Russian attacks