A criminal investigation has been launched into the boyfriend of Whitney Houston's daughter.
Nick Gordon, claims he found Bobbi Kristina Brown unconscious in a bathtub at her home near Atlanta, Georgia last weekend.
US media reports say Whitney's daughter sustained unexplained injuries prior to the incident.
Authorities are also reportedly suspicious because she was found face down.
Bobbi Kristina Brown is currently in hospital in a medically induced coma - however there are conflicting reports as to whether she has been taken off life support or declared brain dead.
