Clipmark

Ukraine is opening up part of its old KGB archive, declassifying hundreds of thousands of documents spanning the entire Soviet period.

But the move to expose Soviet-era abuses is dividing Ukrainians

Mr Viatrovych and his team are helping people to find out what happened to relatives and loved ones, often decades after they disappeared.

But the Ukrainian Security Service (SBU), now in charge of the files, is declassifying them selectively.

They are concentrating on older cases, like that of the "liquidated" Mr Severin, who was part of a guerrilla campaign against Soviet rule in western Ukraine after World War II.

another obstacle to complete disclosure, and that is the Ukrainian Security Service itself. They are the ones deciding which files to declassify.

"First and most important for me - we are not a successor to the KGB. That's according to the law," he said.