Authorities are still searching for two children taken from a foster home Monday in Riviera Beach, and their case is highlighting how social media is expanding the reach of Amber Alerts.

RIVIERA BEACH, Fla. (WCJB) - An Amber Alert was issued for two missing children from Palm Beach County after they disappeared on Monday evening. Officials say Aizon and Akachi Turner, 3 and 11 years old, respectively, were last seen in the area of West Sixth Street in Riviera Beach, Florida. The boy may be in the company of Audrey Turner, 43.