PHOENIX - Five people are dead after shootings in Phoenix which took place in a home that was on fire Tuesday morning.

Investigators believe the suspect shot four members of his family. The suspect was killed by police.

The shooter is believed to have been a son who shot his parents and sisters; a 6-year-old girl was among those shot. Authorities have identified the following as those killed:

-- Vic Buckner, 50

-- Kimberly Buckner, 49

-- Emma Buckner, 6

-- Kaitlin Buckner, 18

-- Alex Buckner, 26, who has also been identified as the suspect

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It started early Tuesday when Phoenix Fire and police responded to reports that a family of four had been shot in a home that was also the scene of a fire, near 51st Avenue and Cactus Road.

A fire department official said there was an active shooter in the house at about 5:15 a.m. At about 5:30 a.m., a police spokesman said that additional shots had been heard "within the last minutes."

The shooting stopped about 5:45 a.m.

Units from both Phoenix Police and Glendale Police responded to the scene where shots were fired at officers from the house, according to Phoenix Police spokesperson Sergeant Trent Crump; no officers were hit.

One victim, a 20-year-old woman, was taken to the hospital with a gunshot wound to her abdomen. She later died.

A girl, 6, was also hospitalized and later died.

Fire officials told 12 News the fire was contained before 6 a.m., though it flared up again before 7 a.m. as firefighters were working on the roof of the structure.

Officers who entered the home encountered the shooter.

"A gun was pointed at one of our tactical team officers, who was in his turnout gear, at which time the suspect was shot," Sergeant Crump said.

Residents of this neighborhood say it was gunshots, sirens and helicopters that awoke them to the chaos. One couple whose backyard neighbors the home where this unfolded, said police were pounding on their door around 5 a.m.

"The police woke us up and asked if they could go in the backyard," said Ted Moss. "And then they said, ‘Well, it might be a good idea to take off for a while', so we did."

"We heard, 'pop, pop,'" neighbor Robert Westfall said. "Cops were flying in here like crazy"

Crime tape and flashing lights filled several blocks of this neighborhood as many tried to understand why this happened.

"We knew those people down there, I don’t know what all went down exactly and we all feel terrible," said Westfall, who said he saw members of the family from time to time.

It was one of the shooting victims who called 911 originally.

The cause of the fire is not yet known.

Neighbor Paul Sterling said "He [Alex] never talked to no one, [he] would walk around the garage and smoke a cigarette but never talked to anyone." However, Sterling said he said he heard Alex yelling before the shooting and the fire.

About a hundred firefighters and many police units from Phoenix and Glendale responded to the call. Three officers were evaluated for smoke inhalation, but no other injuries were reported among first responders, officials said.

Phoenix Mayor Greg Stanton spoke briefly at the scene of the shooting, praising the response of police and firefighters.

"This is what heroes look like," he said.

Rescuers were able to save a dog from the home.

<p>A dog was rescued from the scene of a tragic family shooting and house fire in Glendale, Feb. 23, 2016. Five people, including the suspected gunman, died. </p>

PHOTOS: Phoenix shootings, house fire