Renowned scientist Dmitry Kolker dies after being taken from his hospital bed on espionage...

A renowned Russian scientist with terminal cancer died two days after being taken from his hospital bed on espionage charges, his family said on Sunday.

Dmitry Kolker, 54, died on Saturday in a Moscow hospital.

He had been transferred to the hospital from a prison in the capital, according to a message from the authorities published by his son, Maxim Kolker, on the social network VKontakte.