Polish, Estonian, Latvian, Lithuanian presidents heading to Kyiv

Polish, Estonian, Latvian and Lithuanian presidents are now heading to Kyiv by train to meet President Volodymyr Zelensky. 

UK PM Boris Johnson also paid an unexpected visit to Ukraine three days ago, pledging his support. 

Russia invaded Ukraine on February 24. 

Zelensky has called world leaders to visit Kyiv on the backgriuynd on the war to express their firm support for the country.