HOUSTON - Three people were rescued, including a child, after their car plunged into a bayou off the Katy Freeway Saturday morning.

The vehicle landed in White Oak Bayou off I-10 at Studemont.

The Houston Fire Department rescued a 10-year-old girl, a man in his 20's and a 70-year-old woman.

All three were taken to the hospital. Their conditions are unknown at this time.

Authorities believe a medical emergency may have prompted the accident.