UPDATE: Elijah Cardenas has been found safe.
The National Weather Service Phoenix has issued an emergency alert for a 2-year-old boy reportedly kidnapped from a McDonald's restaurant in Rialto, Calif.
Police believe that Elijah Cardenas, a 2-year-old white male, was abducted by his biological mother, 21-year-old Stacy Nicole Patterson.
Both Cardenas and his younger sister are in foster care, CBS reports. On Wednesday morning, however, Child Protective Services was supervising a visit between Patterson and her two children at a McDonald's restaurant.
53-year-old James Alan Krost accompanied Patterson to the visit, though his relationship to her is unclear.
Photos From The Investigation (story continues below) :
At 10:12 a.m., Patterson allegedly abducted Cardenas from the restaurant. A CPS Worker was putting Cardenas' sister into the car when Patterson reportedly grabbed the boy and fled, according to KTLA.
Police say Patterson and Krost drove off together in a black 2004 Dodge Ram, California license plate number is 7N59099.
Cardenas' sister has been returned to her foster parents.
Police describe Patterson as a white female, 5 foot 5 inches tall, and 140 pounds with brown hair and green eyes.
Krost is a white male, 6 foot tall and 225 pounds, with black hair and brown eyes.
Patterson does not have legal custody of her children due to a child abuse investigation.
Anyone with any information is asked to call Detective Anthony Quinonez at (909) 421-7264.