UPDATED Sept. 2: To include information on second death.

HALTOM CITY (CBSDFW.COM) — Two little girls have died after being found unresponsive in a Haltom City apartment swimming pool over the weekend.

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It was just before 7:00 p.m. on Saturday when Haltom City police were called out to the Spring Lake Apartment Homes, in the 5300 block of Springlake Parkway.

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When officers arrived, witnesses at the pool were performing CPR on the two girls. Both were taken to the hospital where 7-year-old Ivana Mbouna was pronounced dead.

One day later, after being hospitalized in the Intensive Care Unit at Cook Children’s Medical Center, the medical examiner confirmed the death of 5-year-old Gervina Mbouna.

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Police are investigating the drownings.