LOS ANGELES (KABC) — An Amber Alert has been issued for two children, ages 2 and 4, who were last seen in South Los Angeles and are believed to have been abducted by their parents.

According to the California Highway Patrol, the four were last seen at around 3 p.m. Wednesday at the corner of Vermont Avenue and West 83rd Street.

Wyman Bryant, 4, Willow Bryant, 2, Tiffany Bryant, 39, and David James, 53, are said to have been traveling in a champagne-colored Buick Enclave SUV with cardboard signs.

According to LAPD, the family’s disappearance was discovered after Los Angeles County Department of Children and Family Services officials visited their home and found no one there.

The California Highway Patrol issued a missing persons alert on Friday morning on behalf of the LAPD.

Wyman was described as 4 feet 1 inch tall, 34 pounds, with blonde hair and brown eyes.

His sister Willow was described as being 60 cm tall, weighing 9 kg and having blonde hair and blue eyes.

The children’s mother, 39-year-old Tiffany Bryant, is described as 5’4″ tall, 100 pounds, with blonde hair and brown eyes. She was last seen wearing white pants, a short-sleeved blouse and flip-flops.

James, 53, weighs 77 kilograms, has grey hair and blue eyes. He was last seen wearing jeans, a navy blue shirt and flip-flops.

City News Service contributed to this report.