Crimean refugees living in Kyiv held separate pickets at Sofiyska square, calling on Ukrainian authorities to resume transport services to Crimea.
Ukraine has suspended all transport services to Crimea, citing a deteriorating security situation. It is unclear when transport services will be restored.
All passenger and cargo train services to the peninsula were halted on December 27.
A day earlier, authorities canceled bus services and stopped letting passenger cars pass through the Armyansk and Perekop checkpoints on the border with Crimea.
Ukraine has already banned sea and air traffic with the territory, which is still serviced by Russian airlines.
Ukrainian military spokesman Andriy Lysenko said on December 27 the transport suspension was a temporary measure to prevent "subversive groups disguised as local residents" from entering the Ukraine mainland.
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