UPDATE — The children and their mother were located safely around 3:50 p.m. in Pinellas County, according to law enforcement.
Officials say the mother and children are from North Carolina and were in town visiting family.
The alert was issued following an argument between the children's mother, 35-year-old Amanda Fuller-Kagley and her sister. Authorities say Fuller-Kagley made some concerning comments before leaving her sister's home that led to family calling law enforcement.
No other information was immediately available.
A missing child alert has been issued for three children in Pasco County, Florida last seen with their mother around 9:30 a.m. Wednesday morning. Authorities say she made statements about possibly harming herself and them.
Amanda Fuller-Kagley, 35, was last seen leaving her sister's house on Chantilly Lane in Port Richey with Makayla Dyer, 5, Kraven Kearns, 9, and Dexter Kearns, 13.
Makayla was last seen wearing black underwear, a white and grey t-shirt, no shoes and no pants. She is a white female, 4 foot 6 inches tall, weighs 50 pounds and has green eyes and brown hair.
Kraven was last seen wearing a striped shirt and no pants. He is a white male, 4 feet 6 inches tall, weighs 100 pounds and has hazel eyes and brown hair.
Dexter was last seen wearing grey basketball shorts and no shirt. He is a white male, 5 feet 3 inches tall, weighs 100 pounds and has brown hair and brown eyes. He might be wearing glasses.
Fuller-Kagley was last seen wearing small hooped earrings, a grey tank top and orange shorts. She is a white female, she is 5 feet 2 inches tall, weighs 115 pounds and has auburn hair and brown eyes. She has a tattoo on her left arm that reads "Lily" and a tattoo of a gargoyle on her left chest.
The Pasco County Sheriff's Office says Fuller-Kagley is driving a 2004 silver Oldsmobile Alero with a broken back window covered with packing tape and a North Carolina Tag FBD2774.
They are traveling in an unknown direction.
Anyone with information is asked to contact the Pasco Sheriff's Office at 800-706-2488 or 911 immediately.