Two persons were taken,
when Belarus hijacked a plane between two EU countries. Neither of the persons kidnapped is proven to be a neo-Nazi - one has been in the Donbas region where the Azov battalion ("neo-Nazis") were operating, but allegedly working as a journalist -
https://www.bbc.com/news/world-europe-57239521
Just because Belarus and RT calls him a Nazi doesn't make him one.
And for the historically unaware the Donbas war is Russia taking a bite out of Ukraine similarly as when Nazi-Germany took Sudetenland from Czechia; and similarly using the large fraction of Russian-speaking as a pre-text.