What EU? What Romania? Romanians are Romanized Slavic (ie Sarmatian) population. Did they ever in some democratic process denied their origin? No, they didn`t. So, they may be freed. Especially if Romania starting to endanger surrounding Slavs (ie Sarmats). All who endanger Slavs shall learn.
As for Hungary, don`t go about Hungary here. Rogozin didn`t mention Hungary on tweeter. He was specific- Romania. Here is the link from Serbian media (only true free media in Europe) and on the bottom of the page you can see copy of Rogozin`s tweet >>>
Румынские власти подвергли опасности жизни пассажиров рейсового самолета S7, женщин и детей. Топлива хватило до Минска. Ждите ответа, гады