Sisters, ages 4 and 6, found wandering alone near Arizona-Mexico border

The U.S. Border Patrol is working to reunite two young girls found wandering near Arizona's border with Mexico.

Agents found the sisters, ages 4 and 6, alone in a marshland along the Colorado River in Yuma.

The Border Patrol says the area is a popular crossing point for migrants.

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The sisters had a note with contact information for their aunt.

The girls were taken into custody and the agency says attempts will be made to reunite them with family.