Deputy Minister of Temporarily Occupied Territories and Internally Displaced Persons Heorhii Tuka wrote on Facebook, Censor.NET reports.
"I've just had two conversations with Head of the State Border Guard Service Viktor Nazarenko. First, he told me that the occupants launched some 'exercise' and that Ukrainian guards are on the alert. Five minutes later, Viktor called me and said that admission on the border with occupied Crimea has been resumed," Tuka wrote.
Earlier, Vice-President of the Congress of the Crimean Tatars Lenur Isliamov said that shots were heard and several helicopters were seen on the border with occupied Crimea.
Related materials: Occupied territories - Crimea and Donbas