This was reported at the Russian embassy in Hungary.
“At the moment, the staff of the embassy’s consular department, in close contact with the competent authorities of the host country, are working to release the detained citizens of our country as soon as possible, being in constant contact with them,” they said.
In November 2018, more than 200 fans were detained in Voronezh after the match of the 23rd round of the Football National League between the local Fakel and Vanguard from Kursk.