Two minors were killed and at least eight others wounded in the shooting in Pittsburgh while a similar incident in South Carolina left at least nine people injured.

No arrests were immediately reported and police could not comment on a possible motive.
No arrests were immediately reported and police could not comment on a possible motive. (AFP)

Shots fired at a house party in Pittsburgh have left two minors dead and at least eight more people wounded.

The shooting happened around 12:30 a.m. on Sunday during a party at a short-term rental property where hundreds of people had gathered — the “vast majority" of them underage, Chief Scott Schubert of the Pittsburgh police department told reporters during a noontime news conference.

Shortly after some kind of altercation occurred, gunshots were fired both inside and outside, “and potentially back and forth," Schubert said. Casings found at the scene indicate that handguns and one rifle were used, and police believe there were multiple shooters, Schubert said.

Two male victims died at the hospital, police said, and eight more people were being treated for gunshot wounds. 

A police release initially said nine people had been injured by gunfire, but Schubert revised the numbers at the press conference. The names of the two boys who died weren’t immediately released.

Others were injured jumping from windows, falling down steps or just trying to seek cover or escape, Schubert said. Two who jumped from windows had broken bones, authorities said. One victim was injured after a car was “shot up," Schubert said.

ShotSpotter indicated more than 90 rounds fired “and we know there was a lot more than that between inside the structure and outside,” Schubert said. 

Arriving officers found a “very chaotic” scene with injured victims, medics trying to treat them and people fleeing on foot and in vehicles.

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No arrests were immediately reported but Schubert said “it is our top priority to find out who did this and get them off the street." 

Nine hurt in South Carolina shooting

At least nine people were injured In a similar incident of shooting at a club in Hampton County in South Carolina on Sunday.

The State Law Enforcement Division said in an email there were no reported fatalities. No information was available on the severity of the injuries. 

The SLED says it was asked to investigate by the Hampton County Sheriff’s Office. Hampton County is about 129 kilometres west of Charleston.

The shooting comes a day after gunfire at a mall in Columbia, South Carolina led to 14 people being hurt.

One arrest has been made in the mall shooting.

READ MORE: Shooting at US mall injures dozen, three detained

Source: AP