The Latest on the St. Louis shooting death of an 8-month-old boy and the search for his father, the suspected gunman (all times local):

5:05 p.m.

St. Louis' police chief says the fatal shooting of an 8-month-old boy in which his father is the suspect began as a domestic dispute.

Police Chief Sam Dotson said Tuesday that Reign Crockett died in his mother's arms from a single shot fired by 35-year-old Diata Crockett as his wife was trying to leave their car on an interstate highway ramp.

Crockett apparently forced his wife and three of their six children into the car during a dispute that began at their home in Bellefontaine Neighbors, a St. Louis County suburb north of the city limits.

Diata Crockett remains at large with two other children, 2-year-old Rycker Crockett and 3-year-old Blase Crockett.

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4:07 p.m.

An 8-month-old boy is dead after a shooting in north St. Louis, and police are searching for the father who is the suspected gunman.

Officers say the suspect, 35-year-old Diata Crockett, may have his two other children, 2-year-old Rycker Crockett and 3-year-old Blase Crockett, with him.

The shooting happened about 2 p.m. Tuesday near Interstate 270 and Riverview. Multiple media reports say that police believe that Crockett shot toward the child's mother, who was holding the boy. The bullet instead struck the child, who was taken to a hospital where he was pronounced dead.

The name of the child was not immediately released.

Investigators are searching for a black 2014 Hyundai Sonata with Illinois license plate V446952.

Police did not disclose a possible motive for the shooting.