Wife thought dead husband was asleep

VOLGOGRAD, Russia, Jan. 18 (UPI) -- Russian authorities said a woman believed her husband to be sleeping for four days before she realized he was dead.

Police in Volgograd said the 57-year-old man died Jan. 14, but his wife believed him to merely be sleeping until she noticed "putrid spots" on his body four days later, RIA Novosti reported Tuesday.

Investigators said they are working to establish the cause of death.