Jamie Lynn Spears' eight-year-old daughter, Maddie, remains in "stable but critical condition” following an ATV accident on Sunday in Louisiana local police said in a statement. Authorities also revealed the accident occurred when Maddie tried to avoid driving her ATV over a drainage ditch and overcorrected, plunging into a pond. “The ATV and child were instantly submerged in the water right before their eyes. Within seconds the child's mother, step-father and other family members reached the pond, dove in and attempted to rescue the child to no avail. The child was trapped and secured by the seatbelt and the ATV's safety netting,” according to the sheriff’s report. Ambulance services arrived within two minutes and freed her from the cold water. She was then airlifted to a hospital in New Orleans.