Amber Alert Canceled for Two California Girls.

The Garden Grove California Police Department canceled the Amber Alert on Thursday after receiving a "credible" tip that the father, Luis Arteaga, had crossed into Mexico. The father and the children are being sought in Mexico with the help of Mexican authorities.

Hilary & Zillalit Arteaga were abducted in Garden Grove CA on Tuesday August 19.

Hilary is an hispanic female 5 yrs., 3' 6". 45 lbs. with black hair and brown eyes. Zillalit is an hispanic female, 3 yrs., 3', 35 lbs. with black hair and brown eyes.

Police are looking for Luis Arteaga an hispanic male, 29 yrs., 5'11 190 lbs. with black hair and brown eyes.

He was last seen driving a blue 1989 Mazda van with CA license 2ltx307. Police say he threatened to poison the children.

Anyone with information is asked to call the Garden Grove PD at (714)638-6613 or dial 911.