KAZAN, September 16 - RAPSI. The Supreme Court of Tatarstan decided to extend until November 10 the detention term of a senior expert at Russia's river transportation regulatory agency, allegedly involved in a fatal riverboat accident that killed 122, RIA Novosti reported.

The Bulgaria, a double-decked cruise ship built in Czechoslovakia in 1955, sank on July 10 on the Volga River in Tatarstan, in the southern region of Russia. According to the Investigative Committee, the ship had 201 passengers and crew aboard. 122 died and only 79 survived.