DONETSK, April 28. /ITAR-TASS/. In Luhansk, federalization supporters at a meeting on Sunday proclaimed the establishment of the Luhansk People's Republic, Ukraine's Freedom radio reports.

In that city, where a joint headquarters of the country's South-East was established several days ago to coordinate other offices in other districts, federalization supporters delivered an ultimatum to the Kiev authorities on Sunday.

In particular, the protesters demand amnesty for all participants in the protest movement in Ukraine's east, recognition of Russian as a state language, and to hold a referendum on matters concerning self-determination of the region.

If their demands are not met by April 29, they promise to move on to militant actions.