HOUSTON -

Investigators need help finding a missing mother and daughter.

Tiffani Dade, 40, and Crystal Fisher, 11, were reported missing by Dade's father.

Houston police said Dade's father said he last saw the two on Friday and has not been able to get in touch with her since then.

Dade did show up at work on Saturday, officials said.

Detectives said they have an active investigation, but they have not have determined if foul play was involved.

The two were last seen in the parking lot of Sam's Club along the South Loop near Fannin.

The two were traveling in a rented white 2012 Ford Fusion with Texas license plate No. DB2Z236.

Dade was described as black, 5 feet 6 inches tall and 130 pounds with brown eyes and black hair. Crystal was described as black, 5 feet 3 inches tall and 125 pounds with brown eyes and black hair.

Anyone with information regarding their whereabouts is asked to call Houston police at 713-731-5223.