SUGAR LAND, Texas — Editor's note: We have removed names and photos from this story as to not identify the children now that they are no longer missing.
Two children have been found safe and their father is in custody, according to Sugar Land police.
Earlier today, police asked for help to find the two children, who are 18 months old and four years old.
Sugar Land police said they are worried that the kids could be in danger.
Police said the children's father was visiting his ex-girlfriend when he drove off in her silver Volkswagen Passat. The children were reportedly in the backseat. This happened at about noon on Tuesday..
The father was not the primary caregiver, does not live with the children, and has limited contact with them, police said
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Thousands of people go missing every year across the United States, and there are organizations and law enforcement agencies that work to bring them home to loved ones.