GRAND TETON NATIONAL PARK, Wyo. -

Update: Sagiev's body has been found. Click here for more information.

The search for a missing 21-year-old Russian man continued in Grand Teton National Park on Thursday.

Grand Teton National Park rangers and the Teton County, Wyoming, Sheriff's office launched a search for Aleksandr Sagiev on Wednesday.

Searchers developed new information Thursday which indicated Aleksandr may have been in the areas of Taggart, Bradley or Delta Lakes in the park Monday.

He was previously last seen using a cell phone at Dornan's Pizza and Pasta Restaurant in Moose, Wyoming, on Sunday.

Anyone with information is encouraged to contact the Teton Interagency Dispatch Center at (307) 739-3301.