GRAND CANYON NATIONAL PARK - Authorities at Grand Canyon National Park continue to search for a missing Northwestern State University student.
    
They say 22-year-old Diana Zacarias, of Natchitoches, was reported missing Sunday by a family member. She is a Northwestern State University industrial engineering technology major and on the school's rowing team.
    
Zacarias took a shuttle to the South Rim on Saturday and was dropped off at the Maswick Lodge.
    
She's believed to have visited Yaki Point and Lookout Studio.
    
Park officials say the 5-foor-2 Zacarias was last seen wearing a pink hat, purple fleece jacket, black rimmed glasses and possibly carrying a small green backpack.
    
The National Park Service is currently conducting a search-and-rescue operation and a missing persons investigation also is ongoing.

If you have any information about this incident call Silent Witness at 928-638-7840.

On Zacarias' Facebook page, she updated her profile picture (seen above) on Apr. 1 at 10:59 p.m.