Police search for missing 7-year-old last seen with pregnant mother, who is believed to be suffering a mental health crisis

OVERLAND, Mo. (KMOV/Gray News) — Officials in Missouri are searching for a missing 7-year-old they believe may be in danger.The Missouri State Highway Patrol issued an Endangered Person Advisory for Dylan Fernando Zendejas-Gonzalez, 7.Dylan was last seen leaving his home in Overland, near St. Louis, with his mother, Maria Guadalupe Gonzalez-Sanchez, 28. The two were last seen around 1:30 p.m. Sunday.Police said Gonzalez-Sanchez is at least three months pregnant and is believed to be suffering a mental health crisis. Personal belongings were left behind at their home.On Wednesday, the Overland Police Department released new photos showing Dylan and his mother at a park Sunday.Anyone with information about their whereabouts should call 911.