PORT ST. LUCIE, Fla. -

Police in Port St. Lucie released 911 calls made by frantic neighbors early Saturday after a man called one woman and said he had shot his wife and was going to burn down his house .

Dispatchers received the 911 calls about 1:15 a.m. Saturday after the incident on Southwest Kamchatka Avenue.

911 Calls: Part 1 | Part 2 | Part 3

"My neighbor just called and said he just shot his wife and he's about to burn his house down," one woman told the operator. "He wanted me to get his daughter, but I can't go over there."

Police said the 21-year-old wife's 3-year-old daughter was in the house when her 78-year-old husband fired the fatal shot and used gasoline to start the fire.

A girl identifying herself as the first caller's daughter called 911 a few minutes later. The second caller told the dispatcher that her mother had gone and gotten the child, bringing her to their house.

"He shot his wife, and now he's trying to burn down the house and it's smoking, and I see smoke coming out, and now everyone who was trying to run in, and now they're running back out because he's shooting people, and we're thinking that we have her kid," the second caller said.

The dispatcher told the second caller to keep the child safe and try to calm her down.

"We see smoke coming out of the house," the second caller said.

When police arrived, they found the 21-year-old wife's body in a bedroom, the man's body behind the front door and the house on fire.

Friends said the couple met online.

Police have not released the victims' identities because they are still trying to identify their families.