HILLSBOROUGH COUNTY, Fla.UPDATE: Officials say all three children have been found safe. No details on where they were found or their conditions have been released.

ORIGINAL: The Hillsborough County Sheriff's Office is searching for three children missing since last week.

  • Children ages 17, 11, and 4 missing for 4 days
  • Children believed to be with mother, mother's boyfriend
  • Deputies obtained court order to take custody of children over the weekend
  • More Hillsborough County stories

Investigators said the children lived with their mother, Stefanie Young, 35, in a home on Travis Boulevard. Young and the children have been missing since Sept. 5.

The missing children include Nautica Sims, 17, Kani Mike Young, 11, and Sincere Young, 4.

It's believed the children are with their mother and her boyfriend, Brandon Baker.

Deputies over the weekend obtained a court order to take custody of the children for their safety. 

Nautica Sims is described as being 5'4", weighing 115 pounds with black hair and brown eyes. Kani Mike Young is described as being 4', weighing 50 pounds with black hair and brown eyes. Finally, Sincere Young is 2' with black hair and brown eyes.

Anyone with information about the whereabouts of the children should contact the Hillsborough County Sheriff's Office at 813-247-8200.