(11/14/10, 8:26 p.m.) UPDATE: Three people have been arrested in connection with the shooting at a Conyers teen house party Saturday that left one teen dead and two teens injured.

Dequavious Stephon Mapp, 18, was shot in the abdomen and died from his injuries after being lifeflighted to Atlanta Medical hospital. He was a student at Rockdale County High School.

Another victim, a 16-year-old, was shot in the back and was lifeflighted to Grady hospital. He is reportedly in stable condition.

The third victim, a 15-year-old, was shot in the arm and treated at Rockdale Medical Center and released.

Conyers Police Department Lt. Jack Dunn said the victims were not involved in the fight but were bystanders, as far as investigators knew.

The parties arrested and charged are as following:

Tevin A. Williams, 17, of Conyers was charged with aggravated assault, shooting a firearm within 50 feet of a roadway, possession of a firearm by a person under 18, reckless conduct, theft by receiving.

James Edwards, 17, of Conyers was charged with aggravated assault, shooting a firearm within 50 feet of a roadway, possession of a firearm by a person under 18, reckless conduct.

Both teens confessed to shooting a firearm, but were not sure which gun had shot Mapp. Both were in custody and booked into the Rockdale County jail.

Lt. Dunn said investigators were waiting on ballistics results before charging either teen for Mapp's death.

The homeowner, Jeavoye Jones, 21, was also arrested and charged with having a disorderly home.

Dunn said investigators were not sure what started the fight, but that it was between two rival groups - the IBN on the Irwin Bridge Road area, and the Street Boyz, on the Salem Road area.

Dunn said they called themselves "cliques" and not gangs, but were territorial like a gang. The shooting victims were reportedly part of the cliques but were not involved in the fight.

"There were two different cliques that were arguing inside. It turned into a fight. The fight was ushered outside, at which point guns were drawn," said Dunn.

There were several versions of what happened at the party from attendees, but some versions described an exchange of gunfire. Police are still investigating the case and there may be more arrests, said Dunn.

Conyers police had also handled calls regarding another party with fights reported on Saturday night on Eastview Road. "We were able to resolve that party," said Dunn.

He pointed out this was not just a matter for law enforcement.

"It’s a community matter. Police have to work with schools, and police and schools have to work with families," he said.

"We will have a presence at the schools tomorrow," including Salem and Rockdale County high schools. "We want parents to feel safe with their kids going to schools."

 A Facebook page for Mapp has been set up under "Rest in Peace Dequavious Mapp."

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(11/14/10, 7:26 p.m.) Late Saturday night three teenagers were shot, one of whom later died from his wounds, after a house party shooting, according to Conyers Police.

The shootings occurred at 1228 Tree Leaf Lane in the Preserve at Travers Creek subdivision, off of Rockbridge Rd. At least 300 people were in attendance at one point during the party and the CPD were called for a noise complaint at the house at about 9 p.m. Around midnight they received a second call, this one for shots fired, said to Conyers Police Lt. Jackie Dunn.

Dunn said there were conflicting stories about the party ranging from birthday party to a rent party. No matter what kind of party it began as, the celebration soon turned violent and people were forced out of the house into the yard. The verbal fight soon turned into gun fire.

Dequavious Mapp, 18, of Conyers died at Atlanta medical Hospital from a gunshot wound to the upper abdomen. A 15 and 16-year-old were also shot. The 16-year-old was shot in the back and taken to Grady. The 15-year-old was shot in the arm and was taken to Rockdale Medical Center where he was later released.

Mapp attended Rockdale County High School.

The homeowner, Jeavoye A. Jones, 21, was arrested and charged with keeping a disorderly house. A 17-year-old male party attendee led detectives Sunday to a handgun hidden in a neighboring yard. Dunn said a registration check of the gun showed it was stolen.

A third person was also arrested, but no details have been released about the arrest.

In an interview Sunday, a neighbor said he was awakened by the sound by the gunfire. After checking on his infant, the man said he noticed all the cars leaving which had been parked up and down the side of the road for the party. Before the shooting, the party had not been a disturbance, he said, and he had slept through any sounds. There were not many adults at the party, which he had heard was a pay the rent party.

A former RCHS student, 19-year-old Marrisa Alsobrook, said she was shocked by Mapp's death. She described him as a good student who was a "nice, cool person." She said she could not believe news when she first heard of the shooting Sunday morning. "I did not think he was the fighting type," she said.