A Russian businessman who set up a Josef Stalin museum in the city once named after the Soviet dictator has been beaten to death by attackers.
Vasily Bukhtienko was attacked by three men on a tennis court in Volgograd (formerly known as Stalingrad), in southern Russia.
He later died from his injuries. The BBC reports the motive for the attack is not known.
In 2005, Mr Bukhtienko founded a Stalin museum near a monument commemorating the 1942-43 Battle of Stalingrad in World War II.