UPDATED 2:50pm, Monday, March 14, 2016

The Walker County Sheriff's Office has released additional information concerning this case. ABC 13 in Houston reports the Walker County Sheriff's Office states they were investigating the homicide of Caesar Vladimir Coronado early Monday morning when they came across information that his daughter, 14-year-old Adriana Coronado, was with him at the time of his death.

The statewide Amber Alert has been cancelled but a regional Amber Alert continues for East Texas and the Gulf Coast.

The man pictured in the photo with Adriana Coronado is not considered a suspect in the case.

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Early Monday morning (March 14), a statewide Amber Alert was issued for a missing girl being sought by the Walker County Sheriff's Office (Huntsville, TX).

The Walker County Sheriff's Office is searching for 13-year-old Adriana Coronado, a Hispanic girl, born on 10/2/2002. She's 5-feet tall, weighs 105 pounds with black hair, brown eyes and was wearing black-framed glasses at the time of her disappearance.

Police are searching for an unknown suspect in her abduction and the suspect was last heard from in Katy, Texas (west of Houston).

ABC 13 in Houston reports that Coronado was last seen at 1 a.m. on Saturday, March 12.

Law enforcement officials believe this child to be in grave or immediate danger. If you have any information concerning the disappearance of Adriana Coronado you're urged to contact the Walker County Sheriff's Office at (936) 435-2400, or your local law enforcement.