FORT WORTH (CBSDFW.COM) – A man has died after family members said he suffered a heart attack while swimming at a community pool in Fort Worth on Friday.

The incident happened at a pool on Starburst Lane in north Fort Worth late Friday morning.

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Officials said a man and a child had been transported to the hospital in critical condition after they were pulled from the water.

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The man, who has not yet been identified, was soon pronounced dead.

Family members said the child is the man’s granddaughter, and she remains at Cook Children’s in critical condition.

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According to family members, the man had suffered a heart attack in the water while his two granddaughters were with him. One child got out safely while the other went under the water for an unknown reason.