Amber Alert update:

Jacksonville, Fla — UPDATE 12/17/19 4:20pm: — Two young Jacksonville children at the center of an Amber Alert have been found safe, according to the Jacksonville Sheriff's office.

Earlier Tuesday, Jacksonville Sheriff Mike WIlliams said they were focusing their search on a white, four-door vehicle being driven by an older white man.

"What the information we've been receiving is that it (the vehicle) has been playing loud children's music, and we're searching for that vehicle because we'd like to ask that individual some questions," Jacksonville Sheriff Chief of Investigations T.K. Waters told reporters.

The Amber Alert was issued at 5:15 p.m. on Sunday Dec 15.

About 150 law enforcement officers from several agencies including K-9s and drones and dozens of volunteers searched for the children They had been focusing on a wooded area north of the home, the sheriff said.

“The complainant advised they were playing in front of a residence and were last seen at around 11:30 a.m. prior to going missing,” a statement from the Jacksonville Sheriff’s Office said Sunday.