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. (CBS12) — The hunt is on for a mother who is accused of abducting her two children—who were not in her custody—from their foster home on Monday, according to the Riviera Beach Police Department (RBPD).

Florida law enforcement officials are looking for two Palm Beach County children who have disappeared and may be with two women heading toward Georgia.

An Amber Alert was issued in Georgia for Kylie Horne and Kylann Harper, who are believed to be in "extreme danger," according to the GBI/

An Amber Alert has been issued following the kidnapping of a 1-year-old Georgia girl. South Fulton police say Cali McClean was taken from her home around 9 a.m. Wednesday.