TEXAS CITY, Texas – Investigators were granted a search warrant and have been in and out of a Texas City apartment where police say three children were killed and a woman was shot.

According to authorities, Juniad Hashim Mehmood, described as a person of interest, was arrested around the same time the search warrant was granted, after police received a call from a person who claimed to be Mehmood.

Mehmood has been charged with aggravated assault with a deadly weapon and is being held in jail without bond, police said.

Prerson of interest in the shooting deaths of three children, Junaid Hashim Mehmood was taken into custody, Jan. 3, 0219.

Officers said the caller told police where he was and waited for police to arrive.

Authorities found Mehmood in the parking lot of a Panera on El Dorado near I-45, where he was taken into custody on an unrelated charge of furnishing alcohol to a minor.

Officers said Mehmood told them he had thrown a gun in a nearby field, but there is no word on whether it’s been found.

VIDEO: See the moment Juniad Mehmood gets taken into custody

The shooting happened around 6:15 p.m. Thursday at the Pointe Ann Apartments at 1225 10th St. N. in Texas City, according to police.

Authorities said when they arrived at the apartment, officers found three dead children and a woman with a gunshot wound to her head.

Police identified the children as Ashanti Mehmood, an infant, 1-year-old Prince Larry Brown and 5-year-old Angela Pilot.

From left to right: Prince Larry Brown, Angela Pilot and Ashanti Mehmood are seen in this undated family photo provided to KPRC2 on Jan. 4, 2019.

The woman, who was identified by family members as 24-year-old Kimaria Nelson, was taken to an area hospital and is in stable condition, according to authorities.

Officers said Mehmood is the father of Ashanti and lived at the apartment with Nelson and the children.

Family members told KPRC2 that Mehmood and the woman are dating. They also told KPRC2 the woman was the mother of all three children and that Ashanti was born Nov. 23.

"When I pulled up (to the police station last night) I said 'this ain’t good.' You know. And when I got out, I found that out," said Kimaria Nelson's father, Taurus Nelson. "My grandbabies ain’t do nothing to him. They didn’t deserve that. No kid deserves that. I’m glad he turned himself in."

Police are asking anyone with information about the shooting to contact the Texas City Police Department at 409-643-5720.